| Rank | Country or State | Score | Authors |
| 1 | Massachusetts (United States) | 688683.72 | 414.33 |
| 2 | United Kingdom | 568270.34 | 1342.94 |
| 3 | California (United States) | 471134.12 | 422.5 |
| 4 | New York (United States) | 323624.2 | 373.23 |
| 5 | Canada | 257292.44 | 719.68 |
| 6 | Illinois (United States) | 251164.59 | 195.48 |
| 7 | Germany | 229980 | 1117.57 |
| 8 | District of Columbia (United States) | 189615.8 | 544.66 |
| 9 | France | 156042.21 | 942.83 |
| 10 | Italy | 144391.82 | 1105.33 |
| 11 | Pennsylvania (United States) | 135565.27 | 170.5 |
| 12 | New Jersey (United States) | 121939.27 | 72.9 |
| 13 | Netherlands | 96556.24 | 529.28 |
| 14 | Connecticut (United States) | 90253.57 | 122.91 |
| 15 | Australia | 88761.12 | 417.18 |
| 16 | Spain | 84628.31 | 802.64 |
| 17 | Missouri (United States) | 84211.47 | 91.76 |
| 18 | Israel | 82177.73 | 80.91 |
| 19 | Michigan (United States) | 70672.67 | 130.58 |
| 20 | North Carolina (United States) | 61207.75 | 100.91 |
| 21 | Maryland (United States) | 57695.46 | 81 |
| 22 | Sweden | 55217.84 | 252.91 |
| 23 | Switzerland | 53160.8 | 231.78 |
| 24 | Virginia (United States) | 53106.86 | 96.38 |
| 25 | Texas (United States) | 52315.51 | 135.97 |
| 26 | Ohio (United States) | 47734.53 | 58.53 |
| 27 | Minnesota (United States) | 46206.13 | 54.93 |
| 28 | Indiana (United States) | 43635.64 | 107.41 |
| 29 | Belgium | 41319.69 | 300.64 |
| 30 | Wisconsin (United States) | 40856.22 | 57.5 |
| 31 | Tennessee (United States) | 39962.7 | 52.5 |
| 32 | Japan | 39707.37 | 225.45 |
| 33 | Florida (United States) | 37868.28 | 88.83 |
| 34 | Rhode Island (United States) | 35903.62 | 34.5 |
| 35 | Arizona (United States) | 30165.86 | 32.53 |
| 36 | Norway | 28268.34 | 139.22 |
| 37 | Georgia (United States) | 27271.28 | 79.28 |
| 38 | New Zealand | 26378.26 | 99.24 |
| 39 | Iowa (United States) | 25301.69 | 54.61 |
| 40 | Washington (United States) | 23069.25 | 33.33 |
| 41 | Singapore | 19617.53 | 81.33 |
| 42 | Denmark | 19512.46 | 120.1 |
| 43 | Austria | 19454.24 | 135.68 |
| 44 | Ireland | 17084.55 | 78.86 |
| 45 | South Carolina (United States) | 17052.52 | 30.66 |
| 46 | Hong Kong | 15300.65 | 41.33 |
| 47 | South Korea | 15102.86 | 67.08 |
| 48 | New Hampshire (United States) | 12991.74 | 13.83 |
| 49 | Kentucky (United States) | 12276.52 | 14.91 |
| 50 | Greece | 11484.76 | 121.24 |
| 51 | Colorado (United States) | 11044.38 | 36.83 |
| 52 | Portugal | 10909.69 | 258.01 |
| 53 | Oregon (United States) | 10445.38 | 22.5 |
| 54 | India | 10058.87 | 138.74 |
| 55 | Turkey | 9733.79 | 157.16 |
| 56 | Finland | 8856.38 | 80.76 |
| 57 | Utah (United States) | 8552.36 | 32 |
| 58 | Hungary | 7240.08 | 58.81 |
| 59 | Cyprus | 6823.08 | 15.25 |
| 60 | Taiwan | 6362.32 | 44.16 |
| 61 | Kansas (United States) | 6198.11 | 10.5 |
| 62 | Argentina | 6093.03 | 82.43 |
| 63 | Chile | 5975.92 | 77.91 |
| 64 | Louisiana (United States) | 5970.07 | 15.66 |
| 65 | Brazil | 5405.39 | 219.58 |
| 66 | Mexico | 5212.41 | 73 |
| 67 | Alabama (United States) | 5206.17 | 18 |
| 68 | China | 5164.99 | 52.75 |
| 69 | Wyoming (United States) | 4447.64 | 8.5 |
| 70 | Nevada (United States) | 4264.34 | 20.5 |
| 71 | Russia | 3868.26 | 56.5 |
| 72 | New Mexico (United States) | 3589.05 | 4.16 |
| 73 | Oklahoma (United States) | 2997.16 | 18 |
| 74 | Czech Republic | 2995.43 | 81.19 |
| 75 | Delaware (United States) | 2820.68 | 8 |
| 76 | Hawaii (United States) | 2429.6 | 22.5 |
| 77 | Vermont (United States) | 2381.93 | 7 |
| 78 | West Virginia (United States) | 2274.54 | 10 |
| 79 | Nebraska (United States) | 2194.71 | 9.5 |
| 80 | Ukraine | 1575.24 | 14.5 |
| 81 | Mississippi (United States) | 1537.3 | 13 |
| 82 | Colombia | 1397.54 | 119.95 |
| 83 | South Africa | 1287.88 | 46 |
| 84 | Arkansas (United States) | 930.32 | 4.5 |
| 85 | Poland | 850.6 | 57.66 |
| 86 | Iceland | 797.9 | 4.33 |
| 87 | Montana (United States) | 797.21 | 3 |
| 88 | Thailand | 777.46 | 13 |
| 89 | Pakistan | 765.03 | 50.75 |
| 90 | Malaysia | 663.2 | 37.5 |
| 91 | Egypt | 646.11 | 7.5 |
| 92 | Uruguay | 468.9 | 11 |
| 93 | Luxembourg | 466.03 | 10.91 |
| 94 | Slovenia | 382.48 | 17 |
| 95 | Bulgaria | 372.74 | 17.25 |
| 96 | Maine (United States) | 357.43 | 3.5 |
| 97 | Iraq | 323.6 | 0.75 |
| 98 | Venezuela | 306.7 | 4 |
| 99 | Alaska (United States) | 246.51 | 3.66 |
| 100 | Fiji | 226.45 | 10 |
| 101 | United Arab Emirates | 196.53 | 4.5 |
| 102 | Peru | 194.41 | 25.41 |
| 103 | Philippines | 142.41 | 13.16 |
| 104 | Ethiopia | 134.69 | 4.5 |
| 105 | North Dakota (United States) | 128.92 | 3 |
| 106 | Tunisia | 127.39 | 15.33 |
| 107 | Kazakhstan | 113.43 | 1.5 |
| 108 | Indonesia | 105.88 | 32.58 |
| 109 | Estonia | 100.62 | 18 |
| 110 | Viet Nam | 90.64 | 5.25 |
| 111 | Kyrgyzstan | 87.62 | 0.25 |
| 112 | Qatar | 86.84 | 1.33 |
| 113 | Martinique | 72.74 | 1 |
| 114 | Sri Lanka | 67.71 | 2.33 |
| 115 | Latvia | 56.46 | 2 |
| 116 | Monaco | 47.34 | 1 |
| 117 | Macao | 38.6 | 2 |
| 118 | Tanzania | 38.49 | 3.5 |
| 119 | Idaho (United States) | 37.92 | 2 |
| 120 | Guatemala | 36.19 | 1.66 |
| 121 | Réunion | 33.88 | 2 |
| 122 | Barbados | 30.59 | 2 |
| 123 | Bangladesh | 26.73 | 4.33 |
| 124 | Côte d'Ivoire | 25.15 | 1 |
| 125 | Romania | 25.1 | 48.83 |
| 126 | Palestinian Authority | 24.99 | 1 |
| 127 | Morocco | 24.71 | 3 |
| 128 | Nepal | 20.79 | 2.5 |
| 129 | Croatia | 18.63 | 22 |
| 130 | Belarus | 18.61 | 2 |
| 131 | Nigeria | 17.28 | 3.33 |
| 132 | Iran | 15.82 | 8.5 |
| 133 | Namibia | 15.31 | 1 |
| 134 | Bolivia | 12.69 | 9 |
| 135 | Lithuania | 12.16 | 2.5 |
| 136 | Jamaica | 10.81 | 3.5 |
| 137 | Kuwait | 10.39 | 1 |
| 138 | Jordan | 10.09 | 3 |
| 139 | Burkina Faso | 9.52 | 0.33 |
| 140 | Armenia | 8.77 | 0.83 |
| 141 | Oman | 8.24 | 2 |
| 142 | Malawi | 7.15 | 2.33 |
| 143 | Kenya | 5.1 | 0.5 |
| 144 | Saudi Arabia | 4.81 | 1 |
| 145 | Macedonia (Former Yugoslav Republic) | 3.4 | 1 |
| 146 | Slovakia | 2.95 | 2.83 |
| 147 | Ecuador | 2.69 | 3.25 |
| 148 | Ghana | 1.4 | 2 |
| 149 | Afghanistan | 0.96 | 0.25 |
| 150 | Serbia | 0.39 | 7 |
| 151 | Botswana | 0.25 | 2 |
| 152 | Paraguay | 0 | 1 |
| 152 | Uganda | 0 | 1.5 |
| 152 | Uzbekistan | 0 | 1 |
| 152 | Lebanon | 0 | 0.83 |
| 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 | 1.5 |