| Rank | Country or State | Score | Authors |
| 1 | Massachusetts (United States) | 1254661.05 | 456.12 |
| 2 | United Kingdom | 1149631.36 | 1446.38 |
| 3 | California (United States) | 864012.83 | 460.75 |
| 4 | New York (United States) | 625499.2 | 418.48 |
| 5 | Canada | 480962.11 | 773.7 |
| 6 | Germany | 458785.32 | 1200.04 |
| 7 | Illinois (United States) | 439682.97 | 208.56 |
| 8 | District of Columbia (United States) | 417643.26 | 601.15 |
| 9 | France | 322607.01 | 1032.4 |
| 10 | Italy | 303626.42 | 1211.46 |
| 11 | Pennsylvania (United States) | 266555.78 | 185.55 |
| 12 | Netherlands | 228290.32 | 564.74 |
| 13 | New Jersey (United States) | 216003.02 | 76.4 |
| 14 | Spain | 204972.04 | 866.44 |
| 15 | Australia | 176004.69 | 448.34 |
| 16 | Connecticut (United States) | 155996.79 | 132.09 |
| 17 | Missouri (United States) | 154322.49 | 101.76 |
| 18 | Israel | 146305.15 | 83.91 |
| 19 | Michigan (United States) | 125819.31 | 131.18 |
| 20 | Sweden | 118687.23 | 278.23 |
| 21 | North Carolina (United States) | 118409.42 | 109.41 |
| 22 | Switzerland | 107906.51 | 252 |
| 23 | Maryland (United States) | 103274.42 | 84.66 |
| 24 | Belgium | 102802.46 | 334.17 |
| 25 | Texas (United States) | 101841.08 | 151.91 |
| 26 | Indiana (United States) | 94666.64 | 114.08 |
| 27 | Virginia (United States) | 91462.47 | 103.79 |
| 28 | Ohio (United States) | 90897.83 | 62.03 |
| 29 | Minnesota (United States) | 88240.5 | 58.93 |
| 30 | Florida (United States) | 76177.26 | 89.66 |
| 31 | Japan | 71195.45 | 252.66 |
| 32 | Wisconsin (United States) | 70495.81 | 63.16 |
| 33 | Tennessee (United States) | 68004.35 | 57.5 |
| 34 | Rhode Island (United States) | 64207.17 | 34.5 |
| 35 | Georgia (United States) | 58942.35 | 90.28 |
| 36 | Norway | 53121.2 | 143.56 |
| 37 | New Zealand | 52670.16 | 111.75 |
| 38 | Arizona (United States) | 48691.02 | 33.03 |
| 39 | Iowa (United States) | 47602.4 | 55.11 |
| 40 | Denmark | 42712.43 | 125.01 |
| 41 | Austria | 39751.07 | 160.26 |
| 42 | South Carolina (United States) | 38038.49 | 39.4 |
| 43 | Washington (United States) | 36804.43 | 33.33 |
| 44 | Ireland | 35764.82 | 82.33 |
| 45 | Hong Kong | 31685.93 | 45.03 |
| 46 | Singapore | 31603.75 | 87.91 |
| 47 | New Hampshire (United States) | 29718.88 | 14.83 |
| 48 | South Korea | 29230.12 | 75.25 |
| 49 | Portugal | 24054.93 | 274.68 |
| 50 | Greece | 23269.13 | 139.25 |
| 51 | Kentucky (United States) | 22441.11 | 14.91 |
| 52 | Oregon (United States) | 21250.82 | 23.5 |
| 53 | Turkey | 19301.7 | 182.91 |
| 54 | Finland | 18701.31 | 87.06 |
| 55 | India | 17324.7 | 151.66 |
| 56 | Chile | 17032.98 | 93.16 |
| 57 | Colorado (United States) | 16779.4 | 35 |
| 58 | Utah (United States) | 14604.1 | 34.5 |
| 59 | Cyprus | 13729.88 | 16.75 |
| 60 | Hungary | 13402.67 | 69.81 |
| 61 | Taiwan | 10483.8 | 48.16 |
| 62 | Kansas (United States) | 10435.68 | 11.5 |
| 63 | China | 10431.88 | 54.28 |
| 64 | Brazil | 10025.99 | 238.83 |
| 65 | Mexico | 9855.22 | 75 |
| 66 | Alabama (United States) | 9826.01 | 19 |
| 67 | Argentina | 9483.61 | 95.09 |
| 68 | Nevada (United States) | 9119.76 | 23.5 |
| 69 | Russia | 8355.11 | 59.33 |
| 70 | Louisiana (United States) | 8279.53 | 18.66 |
| 71 | Wyoming (United States) | 7446.55 | 8.5 |
| 72 | Oklahoma (United States) | 7253.04 | 22 |
| 73 | New Mexico (United States) | 7101.95 | 5.41 |
| 74 | Czech Republic | 6021.95 | 100.19 |
| 75 | Delaware (United States) | 5150.78 | 8 |
| 76 | Hawaii (United States) | 4832.92 | 23 |
| 77 | West Virginia (United States) | 4757.17 | 13 |
| 78 | Nebraska (United States) | 4543.3 | 9.5 |
| 79 | Vermont (United States) | 4072.47 | 7 |
| 80 | South Africa | 3504.16 | 61 |
| 81 | Colombia | 3350.51 | 132.58 |
| 82 | Ukraine | 3042.82 | 14.83 |
| 83 | Mississippi (United States) | 2991.37 | 12 |
| 84 | Maine (United States) | 2213.8 | 5.5 |
| 85 | Thailand | 2104.23 | 12.5 |
| 86 | Poland | 1776.12 | 64.83 |
| 87 | Montana (United States) | 1740.52 | 4 |
| 88 | Arkansas (United States) | 1587.1 | 6.5 |
| 89 | Malaysia | 1513.85 | 48.5 |
| 90 | Pakistan | 1376.91 | 61.25 |
| 91 | Egypt | 1330.12 | 7.5 |
| 92 | Iceland | 1320.99 | 5.33 |
| 93 | Luxembourg | 1042.07 | 13.41 |
| 94 | Slovenia | 996.53 | 21 |
| 95 | Uruguay | 840.77 | 12 |
| 96 | Peru | 667.54 | 25.08 |
| 97 | Bulgaria | 610.43 | 16.75 |
| 98 | Iraq | 591.9 | 0.75 |
| 99 | United Arab Emirates | 558.51 | 7 |
| 100 | Alaska (United States) | 498 | 3.66 |
| 101 | Venezuela | 427.49 | 4 |
| 102 | Ethiopia | 380.28 | 4.5 |
| 103 | Qatar | 377.6 | 1.33 |
| 104 | Tunisia | 368.67 | 17.82 |
| 105 | Philippines | 274.15 | 12.16 |
| 106 | Indonesia | 272.65 | 33.08 |
| 107 | Romania | 249.78 | 126.66 |
| 108 | Viet Nam | 205.55 | 5 |
| 109 | Estonia | 199.09 | 18 |
| 110 | Martinique | 187.49 | 1 |
| 111 | North Dakota (United States) | 181.94 | 3 |
| 112 | Monaco | 165.7 | 1 |
| 113 | Sri Lanka | 160.7 | 3.5 |
| 114 | Latvia | 159.75 | 2 |
| 115 | Kazakhstan | 128.42 | 2 |
| 116 | Palestinian Authority | 126.37 | 1 |
| 117 | Kyrgyzstan | 115.18 | 0.25 |
| 118 | Macao | 107.77 | 2 |
| 119 | Tanzania | 97.02 | 3.5 |
| 120 | Kenya | 77.48 | 2.5 |
| 121 | Bangladesh | 72.09 | 8.66 |
| 122 | Barbados | 70.04 | 2 |
| 123 | Idaho (United States) | 68.88 | 2 |
| 124 | South Dakota (United States) | 55.84 | 2 |
| 125 | Burkina Faso | 49.49 | 0.33 |
| 126 | Guatemala | 48.48 | 1.5 |
| 127 | Morocco | 47.78 | 3 |
| 128 | Saudi Arabia | 47.02 | 3 |
| 129 | Côte d'Ivoire | 45.19 | 2 |
| 130 | Réunion | 43.69 | 2 |
| 131 | Croatia | 43.35 | 23 |
| 132 | Iran | 42.62 | 8.5 |
| 133 | Fiji | 39.15 | 10 |
| 134 | Lithuania | 39.01 | 2.5 |
| 135 | Armenia | 37.52 | 0.83 |
| 136 | Bolivia | 31.21 | 9.16 |
| 137 | Nigeria | 25.88 | 5.33 |
| 138 | Jamaica | 25.37 | 3.5 |
| 139 | Slovakia | 24.96 | 5.33 |
| 140 | Kuwait | 23 | 1 |
| 141 | Namibia | 20.05 | 1 |
| 142 | Lebanon | 18.82 | 2.83 |
| 143 | Nepal | 18.29 | 1.5 |
| 144 | Belarus | 17.12 | 1 |
| 145 | Malawi | 11.6 | 2.33 |
| 146 | Jordan | 11.04 | 2 |
| 147 | Ecuador | 9.74 | 4.25 |
| 148 | Niue | 7.37 | 0.5 |
| 149 | Macedonia (Former Yugoslav Republic) | 4.05 | 1 |
| 150 | Ghana | 2.89 | 2 |
| 151 | Georgia | 2.45 | 1 |
| 152 | Oman | 1.35 | 1 |
| 153 | Afghanistan | 1.23 | 0.25 |
| 154 | Serbia | 0.74 | 7 |
| 155 | Botswana | 0.46 | 2 |
| 156 | Paraguay | 0 | 1 |
| 156 | Uganda | 0 | 2.5 |
| 156 | Uzbekistan | 0 | 1 |
| 156 | Montenegro | 0 | 1 |
| 156 | Malta | 0 | 1.5 |
| 156 | Costa Rica | 0 | 1 |
| 156 | Nauru | 0 | 0.5 |
| 156 | Senegal | 0 | 2 |
| 156 | Algeria | 0 | 1.5 |