| Rank | Country or State | Score | Authors |
| 1 | Massachusetts (United States) | 626852.08 | 402.73 |
| 2 | United Kingdom | 501345.38 | 1288.19 |
| 3 | California (United States) | 430092.38 | 410.5 |
| 4 | New York (United States) | 284459.5 | 358.94 |
| 5 | Canada | 232366.46 | 690.49 |
| 6 | Illinois (United States) | 222903.56 | 189.86 |
| 7 | Germany | 204316.76 | 1072.64 |
| 8 | District of Columbia (United States) | 164198.14 | 517.54 |
| 9 | France | 137021.97 | 898.16 |
| 10 | Italy | 125647.43 | 1046.22 |
| 11 | Pennsylvania (United States) | 120019.51 | 162.21 |
| 12 | New Jersey (United States) | 112780.99 | 74.73 |
| 13 | Netherlands | 80514.68 | 482.66 |
| 14 | Australia | 79171.78 | 397.16 |
| 15 | Connecticut (United States) | 78454.34 | 113.49 |
| 16 | Missouri (United States) | 77500.85 | 91.26 |
| 17 | Israel | 75757.14 | 78 |
| 18 | Spain | 74244.93 | 765.84 |
| 19 | Michigan (United States) | 66984.32 | 125.21 |
| 20 | North Carolina (United States) | 55025.45 | 96.91 |
| 21 | Sweden | 49153.37 | 248.75 |
| 22 | Virginia (United States) | 48791.7 | 95.01 |
| 23 | Texas (United States) | 48209.04 | 126.65 |
| 24 | Maryland (United States) | 46572.53 | 72.5 |
| 25 | Switzerland | 46491.7 | 217.78 |
| 26 | Ohio (United States) | 44110.45 | 57.7 |
| 27 | Minnesota (United States) | 40861.5 | 51.93 |
| 28 | Indiana (United States) | 39802.55 | 104.91 |
| 29 | Wisconsin (United States) | 36377.16 | 57.49 |
| 30 | Belgium | 35780.55 | 291.1 |
| 31 | Florida (United States) | 34604.24 | 88.16 |
| 32 | Tennessee (United States) | 33596.19 | 49.5 |
| 33 | Rhode Island (United States) | 33095.83 | 33 |
| 34 | Japan | 32789.1 | 195.7 |
| 35 | Arizona (United States) | 27528.07 | 30.33 |
| 36 | Georgia (United States) | 26939.48 | 80.11 |
| 37 | Norway | 25533.81 | 134.22 |
| 38 | Iowa (United States) | 23281.01 | 54.61 |
| 39 | New Zealand | 19413.33 | 86.33 |
| 40 | Washington (United States) | 19384.94 | 34 |
| 41 | Austria | 17462 | 117.55 |
| 42 | Denmark | 17223.03 | 115.85 |
| 43 | Singapore | 17096.3 | 73.33 |
| 44 | Ireland | 15007.3 | 74.41 |
| 45 | South Carolina (United States) | 13372.4 | 22.66 |
| 46 | South Korea | 12207.08 | 62.08 |
| 47 | Hong Kong | 11577.64 | 39.33 |
| 48 | Kentucky (United States) | 11256.97 | 14.91 |
| 49 | New Hampshire (United States) | 10717.45 | 11.83 |
| 50 | Colorado (United States) | 10409.1 | 36.33 |
| 51 | Greece | 10295.56 | 110.08 |
| 52 | India | 9355.42 | 127 |
| 53 | Oregon (United States) | 9332.59 | 22.5 |
| 54 | Portugal | 9256.69 | 221.96 |
| 55 | Finland | 7958.96 | 78.42 |
| 56 | Utah (United States) | 7714.62 | 34 |
| 57 | Turkey | 6913.14 | 140.33 |
| 58 | Hungary | 6583.52 | 52.75 |
| 59 | Cyprus | 6344.05 | 13.83 |
| 60 | Louisiana (United States) | 5494.28 | 16.66 |
| 61 | Chile | 5468.12 | 75.66 |
| 62 | Kansas (United States) | 5205.49 | 8.83 |
| 63 | Taiwan | 5062.45 | 40.65 |
| 64 | Argentina | 5029.92 | 80.43 |
| 65 | Alabama (United States) | 4778.57 | 17 |
| 66 | Brazil | 4772.55 | 201.83 |
| 67 | Wyoming (United States) | 3947.88 | 8.5 |
| 68 | Nevada (United States) | 3837.34 | 20.5 |
| 69 | Russia | 3510.46 | 53.16 |
| 70 | Mexico | 3258.19 | 65.33 |
| 71 | New Mexico (United States) | 3196.43 | 3.16 |
| 72 | China | 3196.16 | 46.91 |
| 73 | Czech Republic | 2664.7 | 74.86 |
| 74 | Oklahoma (United States) | 2637.54 | 17 |
| 75 | Delaware (United States) | 2628.69 | 8 |
| 76 | Hawaii (United States) | 2219.44 | 21.5 |
| 77 | Vermont (United States) | 2171.28 | 7.16 |
| 78 | West Virginia (United States) | 2066.96 | 9 |
| 79 | Nebraska (United States) | 1989.05 | 9.5 |
| 80 | Mississippi (United States) | 1411.78 | 12 |
| 81 | Ukraine | 1265.31 | 14 |
| 82 | Colombia | 1259.79 | 114.71 |
| 83 | South Africa | 950.49 | 41 |
| 84 | Montana (United States) | 736.76 | 3 |
| 85 | Poland | 690.47 | 49.83 |
| 86 | Pakistan | 627.15 | 42.08 |
| 87 | Malaysia | 552.15 | 32.5 |
| 88 | Egypt | 550.36 | 6.5 |
| 89 | Thailand | 498.72 | 10.5 |
| 90 | Iceland | 443.27 | 3.33 |
| 91 | Uruguay | 423.48 | 10 |
| 92 | Luxembourg | 416.41 | 9.91 |
| 93 | Bulgaria | 342.4 | 16.25 |
| 94 | Maine (United States) | 334.73 | 3.5 |
| 95 | Slovenia | 333.16 | 16.5 |
| 96 | Venezuela | 281.72 | 4 |
| 97 | Iraq | 269.01 | 0.75 |
| 98 | Alaska (United States) | 221.77 | 3.66 |
| 99 | United Arab Emirates | 206.4 | 6.5 |
| 100 | Arkansas (United States) | 203.93 | 3.5 |
| 101 | Fiji | 200.66 | 10 |
| 102 | Peru | 172.06 | 25.41 |
| 103 | Ethiopia | 121.96 | 4.5 |
| 104 | Philippines | 114.28 | 13.16 |
| 105 | Tunisia | 108.81 | 13.33 |
| 106 | Kazakhstan | 104.03 | 1 |
| 107 | Estonia | 90.66 | 17.5 |
| 108 | Kyrgyzstan | 83.29 | 0.25 |
| 109 | Viet Nam | 79.07 | 4.5 |
| 110 | Martinique | 68.77 | 1 |
| 111 | Qatar | 64.32 | 0.33 |
| 112 | Sri Lanka | 61.44 | 2 |
| 113 | Guadeloupe | 57.24 | 0.66 |
| 114 | Latvia | 47.29 | 2 |
| 115 | Indonesia | 46.9 | 27.91 |
| 116 | Monaco | 44.01 | 1 |
| 117 | Macao | 35.34 | 2 |
| 118 | Tanzania | 35.01 | 3.5 |
| 119 | Romania | 34.73 | 31 |
| 120 | Idaho (United States) | 33.99 | 2 |
| 121 | Réunion | 29.92 | 2 |
| 122 | Barbados | 26 | 2 |
| 123 | Guatemala | 24.49 | 1.5 |
| 124 | Bangladesh | 23.75 | 4.33 |
| 125 | Côte d'Ivoire | 23.01 | 1 |
| 126 | Morocco | 19.09 | 2 |
| 127 | Belarus | 18.33 | 2 |
| 128 | Nepal | 18.14 | 2.5 |
| 129 | Croatia | 16.41 | 14 |
| 130 | Nigeria | 15.18 | 3.33 |
| 131 | Palestinian Authority | 15.16 | 1 |
| 132 | Iran | 14.6 | 8 |
| 133 | Namibia | 13.64 | 1 |
| 134 | Jamaica | 9.52 | 3.5 |
| 135 | Kuwait | 8.69 | 1 |
| 136 | Burkina Faso | 8.68 | 0.33 |
| 137 | Jordan | 8.5 | 3 |
| 138 | North Dakota (United States) | 7.39 | 2 |
| 139 | Oman | 7.34 | 2 |
| 140 | Armenia | 7.21 | 0.83 |
| 141 | Malawi | 6.28 | 2.33 |
| 142 | Lithuania | 5.99 | 2.5 |
| 143 | Saudi Arabia | 4.29 | 1 |
| 144 | Kenya | 4.1 | 0.5 |
| 145 | Slovakia | 3.56 | 2.5 |
| 146 | Macedonia (Former Yugoslav Republic) | 2.91 | 1 |
| 147 | Ecuador | 2.42 | 3.25 |
| 148 | Ghana | 0.67 | 2 |
| 149 | Serbia | 0.43 | 7 |
| 150 | Botswana | 0.31 | 2 |
| 151 | Afghanistan | 0.02 | 0.25 |
| 152 | Uganda | 0 | 1.5 |
| 152 | Bolivia | 0 | 8.5 |
| 152 | Uzbekistan | 0 | 1 |
| 152 | Lebanon | 0 | 1.83 |
| 152 | Montenegro | 0 | 1 |
| 152 | Malta | 0 | 1.5 |
| 152 | Costa Rica | 0 | 1 |
| 152 | Nauru | 0 | 0.5 |
| 152 | Niue | 0 | 0.5 |
| 152 | Algeria | 0 | 1 |