| Rank | Country or State | Score | Authors |
| 1 | United Kingdom | 1170637.65 | 1504.09 |
| 2 | Massachusetts (United States) | 904570.16 | 475.87 |
| 3 | Germany | 773434.22 | 1248.25 |
| 4 | California (United States) | 650901.02 | 481.45 |
| 5 | District of Columbia (United States) | 537768.98 | 649.41 |
| 6 | Italy | 507474.87 | 1247.51 |
| 7 | Canada | 466275 | 796.48 |
| 8 | New York (United States) | 463721.46 | 432.18 |
| 9 | Spain | 428675.45 | 895.95 |
| 10 | France | 415532.28 | 1079.64 |
| 11 | Netherlands | 361509.5 | 593.59 |
| 12 | Australia | 307829.72 | 502.96 |
| 13 | Illinois (United States) | 275883.6 | 222.38 |
| 14 | Switzerland | 190509.45 | 271.3 |
| 15 | Sweden | 187300.41 | 289.63 |
| 16 | Pennsylvania (United States) | 184595.34 | 195.58 |
| 17 | Belgium | 164367.65 | 361.42 |
| 18 | Connecticut (United States) | 150646.46 | 136.76 |
| 19 | Missouri (United States) | 147714.21 | 109.26 |
| 20 | New Jersey (United States) | 142421.49 | 75.45 |
| 21 | Michigan (United States) | 109910.96 | 140.97 |
| 22 | Japan | 99180.19 | 269.66 |
| 23 | Portugal | 96989.38 | 284.18 |
| 24 | India | 94984.78 | 160.33 |
| 25 | Colombia | 93942.45 | 134.91 |
| 26 | Austria | 93869.77 | 172.34 |
| 27 | Denmark | 91494.69 | 136.85 |
| 28 | North Carolina (United States) | 89267.12 | 118.91 |
| 29 | Argentina | 86767.15 | 103.09 |
| 30 | Texas (United States) | 84010.99 | 154.16 |
| 31 | Norway | 81825.51 | 142.63 |
| 32 | Israel | 80223.43 | 87.91 |
| 33 | Indiana (United States) | 77146.26 | 116.91 |
| 34 | Virginia (United States) | 72229.48 | 105.43 |
| 35 | Brazil | 69338.23 | 244 |
| 36 | Maryland (United States) | 65246.12 | 88.33 |
| 37 | Turkey | 64973.17 | 191.41 |
| 38 | New Zealand | 62759.47 | 111.55 |
| 39 | Chile | 62524.16 | 103.41 |
| 40 | Georgia (United States) | 61871.46 | 99.28 |
| 41 | Minnesota (United States) | 60393.05 | 62.93 |
| 42 | Ireland | 59693.46 | 101.78 |
| 43 | Wisconsin (United States) | 55708.47 | 63.16 |
| 44 | Iowa (United States) | 49104.48 | 55.61 |
| 45 | Greece | 49092.25 | 144.58 |
| 46 | Florida (United States) | 48596.99 | 90.66 |
| 47 | Ohio (United States) | 47940.14 | 69.36 |
| 48 | Tennessee (United States) | 45277.28 | 65.5 |
| 49 | Rhode Island (United States) | 43631.04 | 34.65 |
| 50 | Arizona (United States) | 40279.63 | 34.53 |
| 51 | Finland | 39773.16 | 88.54 |
| 52 | Romania | 37629.89 | 144.08 |
| 53 | Russia | 36026.82 | 65.53 |
| 54 | Czech Republic | 30961.91 | 101.19 |
| 55 | Mexico | 30043.59 | 77.16 |
| 56 | Singapore | 28827 | 87.77 |
| 57 | South Korea | 28460.96 | 85.75 |
| 58 | Pakistan | 27781.87 | 67.41 |
| 59 | Hong Kong | 27247.91 | 46.36 |
| 60 | South Africa | 24713.28 | 72.5 |
| 61 | Hungary | 23464.37 | 72.91 |
| 62 | Colorado (United States) | 23201.81 | 36.65 |
| 63 | Malaysia | 23117.58 | 54.5 |
| 64 | Washington (United States) | 22563.29 | 36.33 |
| 65 | Poland | 19822.82 | 65.16 |
| 66 | South Carolina (United States) | 18556.64 | 43 |
| 67 | New Hampshire (United States) | 17240.13 | 13.83 |
| 68 | Hawaii (United States) | 15784.9 | 24 |
| 69 | China | 15779.14 | 61.78 |
| 70 | Oregon (United States) | 15468.38 | 24.7 |
| 71 | Nevada (United States) | 13388.87 | 23.5 |
| 72 | Louisiana (United States) | 13185.69 | 23.16 |
| 73 | Utah (United States) | 12894.51 | 38.5 |
| 74 | Cyprus | 12839.18 | 17.91 |
| 75 | Kentucky (United States) | 12743.81 | 16.91 |
| 76 | Indonesia | 12330.07 | 35.74 |
| 77 | Jamaica | 11983.91 | 4.5 |
| 78 | Taiwan | 10842.05 | 50.16 |
| 79 | Vermont (United States) | 9986.62 | 8.33 |
| 80 | Nigeria | 9446.83 | 5.33 |
| 81 | Philippines | 9093.5 | 14.33 |
| 82 | Wyoming (United States) | 8703.82 | 8.5 |
| 83 | Peru | 8696.17 | 28.08 |
| 84 | Alabama (United States) | 7822.16 | 20 |
| 85 | Slovenia | 6814.95 | 24 |
| 86 | Kansas (United States) | 6794.53 | 12.5 |
| 87 | Uruguay | 5939.7 | 13 |
| 88 | Oklahoma (United States) | 5912.39 | 23 |
| 89 | Maine (United States) | 5895.9 | 6.5 |
| 90 | Bolivia | 5700.46 | 11 |
| 91 | Nebraska (United States) | 5299.71 | 9.5 |
| 92 | Ukraine | 5113.91 | 15.83 |
| 93 | Luxembourg | 4603.41 | 15.58 |
| 94 | Mississippi (United States) | 4582.61 | 12 |
| 95 | Delaware (United States) | 4459.5 | 8 |
| 96 | Bulgaria | 4392.89 | 18.75 |
| 97 | Croatia | 4329.08 | 24 |
| 98 | West Virginia (United States) | 4264.67 | 12 |
| 99 | Estonia | 3959.39 | 17 |
| 100 | Egypt | 3944.66 | 8.5 |
| 101 | Tunisia | 3416.25 | 21.83 |
| 102 | New Mexico (United States) | 3408.52 | 7.41 |
| 103 | Bangladesh | 3241.56 | 9.66 |
| 104 | Iran | 3160.5 | 10 |
| 105 | Thailand | 3024.91 | 14.5 |
| 106 | Iraq | 2712.33 | 0.75 |
| 107 | United Arab Emirates | 2696.75 | 9 |
| 108 | Iceland | 2428.19 | 6.33 |
| 109 | Arkansas (United States) | 2066.83 | 8 |
| 110 | Ethiopia | 1988.95 | 4.5 |
| 111 | Viet Nam | 1879.21 | 5 |
| 112 | Fiji | 1800.91 | 10 |
| 113 | Jordan | 1574.5 | 2 |
| 114 | Morocco | 1456.66 | 3 |
| 115 | Qatar | 1352.83 | 1.33 |
| 116 | Côte d'Ivoire | 1274.91 | 3 |
| 117 | Malawi | 1268.8 | 2.33 |
| 118 | Saudi Arabia | 1221.75 | 4 |
| 119 | Latvia | 844.16 | 2 |
| 120 | Montana (United States) | 840.1 | 4 |
| 121 | Uzbekistan | 832.5 | 1 |
| 122 | Botswana | 805 | 2 |
| 123 | Slovakia | 800.38 | 5.33 |
| 124 | Serbia | 759.33 | 7 |
| 125 | Alaska (United States) | 730.05 | 3.66 |
| 126 | Kazakhstan | 698.83 | 2 |
| 127 | Sri Lanka | 640.75 | 4.5 |
| 128 | Costa Rica | 563.5 | 2 |
| 129 | Malta | 526 | 1.5 |
| 130 | North Dakota (United States) | 518.5 | 3 |
| 131 | Ghana | 491.33 | 2.66 |
| 132 | Tanzania | 484 | 3.5 |
| 133 | Uganda | 457.83 | 2.5 |
| 134 | Kenya | 454.98 | 2.5 |
| 135 | Venezuela | 454.72 | 4 |
| 136 | Barbados | 413.16 | 2 |
| 137 | Kuwait | 380.66 | 2 |
| 138 | Macao | 359.16 | 2 |
| 139 | Monaco | 344.83 | 1 |
| 140 | Namibia | 338.5 | 2 |
| 141 | Guatemala | 332.33 | 1.5 |
| 142 | Idaho (United States) | 322.33 | 2 |
| 143 | Ecuador | 306.86 | 5.25 |
| 144 | Macedonia (Former Yugoslav Republic) | 279 | 1 |
| 145 | Lebanon | 253.88 | 2.33 |
| 146 | Montenegro | 207 | 1 |
| 147 | South Dakota (United States) | 206.75 | 2 |
| 148 | Armenia | 196.16 | 0.83 |
| 149 | Belarus | 185 | 1 |
| 150 | Martinique | 180.83 | 1 |
| 151 | Lithuania | 157.82 | 2.5 |
| 152 | Réunion | 143.75 | 1.5 |
| 153 | Burkina Faso | 136.5 | 0.33 |
| 154 | Algeria | 124 | 2.5 |
| 155 | Niue | 123 | 0.5 |
| 156 | Afghanistan | 120 | 0.25 |
| 157 | Senegal | 79.16 | 2 |
| 158 | Palestinian Authority | 77.33 | 1 |
| 159 | Nepal | 77.08 | 1.5 |
| 160 | Paraguay | 55 | 1 |
| 161 | Kyrgyzstan | 41.29 | 0.25 |
| 162 | Bahrain | 38.19 | 0.33 |
| 163 | Oman | 32.33 | 1 |
| 164 | Nauru | 30 | 0.5 |
| 165 | Sudan | 28 | 1 |
| 166 | Puerto Rico | 27.5 | 1 |
| 167 | Cameroun | 11 | 1 |
| 168 | Georgia | 6.66 | 1 |