| Rank | Country or State | Score | Authors |
| 1 | United Kingdom | 2033902.78 | 1301.63 |
| 2 | Massachusetts (United States) | 1606719.67 | 408.38 |
| 3 | Germany | 1360296.79 | 1082.03 |
| 4 | California (United States) | 1062063.71 | 411 |
| 5 | Italy | 882264.89 | 1070.67 |
| 6 | District of Columbia (United States) | 859126.66 | 527.29 |
| 7 | Canada | 841108.7 | 696.16 |
| 8 | Spain | 753984.08 | 786.82 |
| 9 | New York (United States) | 751143.16 | 363.39 |
| 10 | France | 724446.03 | 918.61 |
| 11 | Netherlands | 644671.05 | 496.18 |
| 12 | Australia | 485579.86 | 405.51 |
| 13 | Illinois (United States) | 476837.68 | 192.73 |
| 14 | Pennsylvania (United States) | 316804.84 | 167.38 |
| 15 | Sweden | 315970.41 | 251.41 |
| 16 | Switzerland | 313827.33 | 221.78 |
| 17 | New Jersey (United States) | 267712.86 | 75.06 |
| 18 | Belgium | 262035.37 | 293.6 |
| 19 | Connecticut (United States) | 245724 | 118.16 |
| 20 | Missouri (United States) | 226196.16 | 91.26 |
| 21 | Michigan (United States) | 206249.26 | 129.5 |
| 22 | North Carolina (United States) | 156961.5 | 99.91 |
| 23 | Denmark | 149287.75 | 116.85 |
| 24 | Norway | 146552.65 | 138.22 |
| 25 | Texas (United States) | 144122.71 | 132.47 |
| 26 | Israel | 139882.58 | 78.91 |
| 27 | Japan | 133355.79 | 203.2 |
| 28 | Portugal | 129962.66 | 231.76 |
| 29 | Iowa (United States) | 123821.58 | 53.61 |
| 30 | Austria | 121603.78 | 118.1 |
| 31 | Minnesota (United States) | 118236.28 | 53.43 |
| 32 | Virginia (United States) | 117205.58 | 94.88 |
| 33 | Brazil | 111085.83 | 208.83 |
| 34 | Indiana (United States) | 110108.08 | 104.91 |
| 35 | Maryland (United States) | 105839.25 | 77.5 |
| 36 | Colombia | 105124.8 | 116.78 |
| 37 | Argentina | 104375.26 | 81.43 |
| 38 | Wisconsin (United States) | 102040.5 | 58.5 |
| 39 | Georgia (United States) | 101614.13 | 79.11 |
| 40 | India | 99167.16 | 129.75 |
| 41 | New Zealand | 93502.1 | 89.33 |
| 42 | Rhode Island (United States) | 89030 | 34 |
| 43 | Turkey | 88797.66 | 146.83 |
| 44 | Ohio (United States) | 85473.99 | 58.7 |
| 45 | Florida (United States) | 83726.16 | 87.66 |
| 46 | Ireland | 82669.08 | 75.25 |
| 47 | Chile | 78194.99 | 78.66 |
| 48 | Greece | 71122.66 | 113.24 |
| 49 | Finland | 67462.45 | 79.67 |
| 50 | Tennessee (United States) | 66151 | 49.5 |
| 51 | Arizona (United States) | 65958.63 | 32.03 |
| 52 | Singapore | 51370 | 75.33 |
| 53 | South Korea | 47627 | 63.08 |
| 54 | Czech Republic | 43767 | 75.86 |
| 55 | New Hampshire (United States) | 42089.16 | 12.83 |
| 56 | Russia | 40271.5 | 54.16 |
| 57 | Colorado (United States) | 39753.08 | 36.58 |
| 58 | Mexico | 38673 | 67.33 |
| 59 | Washington (United States) | 36414.16 | 34.65 |
| 60 | Malaysia | 35573.5 | 34.5 |
| 61 | Hong Kong | 35399.16 | 39.83 |
| 62 | Oregon (United States) | 34316.5 | 22.5 |
| 63 | Hungary | 33159.31 | 55.31 |
| 64 | China | 27764.66 | 48.75 |
| 65 | South Carolina (United States) | 27019.66 | 24.66 |
| 66 | South Africa | 24916 | 42.5 |
| 67 | Poland | 24549 | 53.33 |
| 68 | Hawaii (United States) | 23472.83 | 21.5 |
| 69 | Kentucky (United States) | 22946.5 | 14.91 |
| 70 | Cyprus | 22456.08 | 13.25 |
| 71 | Taiwan | 20476.16 | 42.66 |
| 72 | Nevada (United States) | 20120.5 | 20.5 |
| 73 | Louisiana (United States) | 19607.16 | 16.66 |
| 74 | Utah (United States) | 17195 | 34 |
| 75 | Kansas (United States) | 16170.83 | 8.83 |
| 76 | Indonesia | 15891.33 | 32.08 |
| 77 | Pakistan | 15666.5 | 44.25 |
| 78 | Wyoming (United States) | 14907.5 | 8.5 |
| 79 | Peru | 14188.58 | 25.41 |
| 80 | Vermont (United States) | 13712 | 7 |
| 81 | Alabama (United States) | 12156 | 17 |
| 82 | Slovenia | 11246 | 17 |
| 83 | Jamaica | 10842 | 3.5 |
| 84 | Uruguay | 10642 | 10 |
| 85 | Nebraska (United States) | 10193 | 9.5 |
| 86 | Romania | 9954.5 | 31 |
| 87 | Mississippi (United States) | 9346 | 12 |
| 88 | Fiji | 7979 | 10 |
| 89 | Estonia | 7969 | 17.5 |
| 90 | Oklahoma (United States) | 7930 | 18 |
| 91 | Nigeria | 6918.33 | 3.33 |
| 92 | Bolivia | 6884.5 | 8.5 |
| 93 | Luxembourg | 6783.5 | 10.25 |
| 94 | West Virginia (United States) | 6681 | 9 |
| 95 | New Mexico (United States) | 5708.5 | 3.16 |
| 96 | Philippines | 5303.5 | 13.16 |
| 97 | Delaware (United States) | 5222 | 8 |
| 98 | Ukraine | 4832 | 14 |
| 99 | Bulgaria | 4357.75 | 16.25 |
| 100 | Croatia | 4343 | 16 |
| 101 | Iraq | 4278.75 | 0.75 |
| 102 | United Arab Emirates | 4129.5 | 6.5 |
| 103 | Egypt | 3793.66 | 7.5 |
| 104 | Iran | 3787 | 8 |
| 105 | Tunisia | 3718.33 | 13.33 |
| 106 | Ethiopia | 3413 | 4.5 |
| 107 | Iceland | 3148 | 4.33 |
| 108 | Thailand | 2739.5 | 10.5 |
| 109 | Jordan | 2671 | 3 |
| 110 | Maine (United States) | 2222 | 3.5 |
| 111 | Saudi Arabia | 2041 | 1 |
| 112 | Viet Nam | 1916.5 | 5 |
| 113 | Bangladesh | 1886 | 4.33 |
| 114 | Arkansas (United States) | 1812.5 | 3.5 |
| 115 | Morocco | 1635 | 2 |
| 116 | Alaska (United States) | 1433.66 | 3.66 |
| 117 | Montana (United States) | 1397 | 3 |
| 118 | Malawi | 1274.33 | 2.33 |
| 119 | Latvia | 1007 | 2 |
| 120 | Botswana | 969 | 2 |
| 121 | Kazakhstan | 851 | 1 |
| 122 | Venezuela | 843.5 | 4 |
| 123 | Uzbekistan | 773 | 1 |
| 124 | Macao | 770 | 2 |
| 125 | Malta | 697 | 1.5 |
| 126 | Ghana | 681 | 2 |
| 127 | Serbia | 668 | 7 |
| 128 | North Dakota (United States) | 655 | 2 |
| 129 | Tanzania | 653.5 | 3.5 |
| 130 | Idaho (United States) | 649 | 2 |
| 131 | Barbados | 622 | 2 |
| 132 | Kuwait | 612 | 1 |
| 133 | Lebanon | 569.83 | 0.83 |
| 134 | Ecuador | 539 | 3.25 |
| 135 | Monaco | 508 | 1 |
| 136 | Sri Lanka | 499 | 2 |
| 137 | Slovakia | 492.66 | 2.33 |
| 138 | Belarus | 427 | 2 |
| 139 | Qatar | 368 | 0.33 |
| 140 | Côte d'Ivoire | 351 | 1 |
| 141 | Burkina Faso | 350.66 | 0.33 |
| 142 | Réunion | 346 | 2 |
| 143 | Guatemala | 313 | 1.5 |
| 144 | Martinique | 297 | 1 |
| 145 | Kenya | 294 | 0.5 |
| 146 | Uganda | 292.5 | 1.5 |
| 147 | Armenia | 270 | 0.83 |
| 148 | Costa Rica | 263 | 1 |
| 149 | Guadeloupe | 242.66 | 0.66 |
| 150 | Lithuania | 196.5 | 2.5 |
| 151 | Montenegro | 194 | 1 |
| 152 | Nepal | 187 | 2.5 |
| 153 | Oman | 182 | 2 |
| 154 | Macedonia (Former Yugoslav Republic) | 173 | 1 |
| 155 | Niue | 149.5 | 0.5 |
| 156 | Afghanistan | 92 | 0.25 |
| 157 | Algeria | 91 | 1 |
| 158 | Namibia | 62 | 1 |
| 159 | Palestinian Authority | 58 | 1 |
| 160 | Kyrgyzstan | 42.75 | 0.25 |
| 161 | Paraguay | 29 | 1 |
| 162 | Nauru | 20 | 0.5 |