Rank | Country or State | Score | Authors |
1 | Massachusetts (United States) | 1447990.3 | 478.48 |
2 | United Kingdom | 1320311.19 | 1527.95 |
3 | California (United States) | 1005366.4 | 490.7 |
4 | New York (United States) | 708553.6 | 439.38 |
5 | Canada | 535501.67 | 801.58 |
6 | Germany | 529523.7 | 1266.07 |
7 | Illinois (United States) | 506575.08 | 222.98 |
8 | District of Columbia (United States) | 497259.16 | 658.2 |
9 | France | 382200.45 | 1106.01 |
10 | Italy | 364121.91 | 1259.31 |
11 | Pennsylvania (United States) | 309177.7 | 201.71 |
12 | Netherlands | 262803.78 | 600.24 |
13 | New Jersey (United States) | 237599.41 | 76.23 |
14 | Spain | 231816.89 | 905.89 |
15 | Australia | 217060.35 | 515.36 |
16 | Connecticut (United States) | 180096.64 | 142.09 |
17 | Missouri (United States) | 173604.41 | 109.59 |
18 | Israel | 159326.21 | 87.86 |
19 | Michigan (United States) | 152886.16 | 142.72 |
20 | Belgium | 145168.56 | 362.29 |
21 | North Carolina (United States) | 142079.15 | 120.91 |
22 | Sweden | 136808.94 | 294.83 |
23 | Switzerland | 134991.89 | 272.89 |
24 | Maryland (United States) | 117406.89 | 93.33 |
25 | Texas (United States) | 112655.04 | 155.66 |
26 | Indiana (United States) | 104186.66 | 119.41 |
27 | Virginia (United States) | 103013.05 | 107.76 |
28 | Ohio (United States) | 100853.43 | 69.86 |
29 | Minnesota (United States) | 96289.55 | 63.93 |
30 | Japan | 82986.78 | 272.66 |
31 | Florida (United States) | 81719.26 | 89.66 |
32 | Wisconsin (United States) | 80535.27 | 66.66 |
33 | Tennessee (United States) | 78283.33 | 65.83 |
34 | Rhode Island (United States) | 71762.84 | 34.33 |
35 | Georgia (United States) | 65667.38 | 101.28 |
36 | Norway | 61270.27 | 144.63 |
37 | New Zealand | 57815.05 | 111.55 |
38 | Denmark | 56123.02 | 141.6 |
39 | Arizona (United States) | 55163.24 | 35.86 |
40 | Iowa (United States) | 52652.13 | 55.61 |
41 | Ireland | 49956.24 | 108.41 |
42 | Austria | 47198.21 | 176.51 |
43 | South Carolina (United States) | 43236.64 | 44.2 |
44 | Washington (United States) | 41871.13 | 36.83 |
45 | Singapore | 37454.95 | 87.44 |
46 | Hong Kong | 34822.08 | 47.36 |
47 | South Korea | 31974.11 | 87.41 |
48 | New Hampshire (United States) | 31507.9 | 13.33 |
49 | Portugal | 29242.3 | 288.35 |
50 | Greece | 27867.94 | 149.33 |
51 | Kentucky (United States) | 24411.66 | 16.91 |
52 | Turkey | 22777.49 | 200.58 |
53 | Oregon (United States) | 22351 | 24.7 |
54 | Finland | 21264.51 | 91.84 |
55 | Chile | 20764.97 | 105.91 |
56 | India | 20717.71 | 163.08 |
57 | Utah (United States) | 17680.99 | 38.5 |
58 | Colorado (United States) | 17147.36 | 36.58 |
59 | Cyprus | 17020.38 | 18.66 |
60 | Hungary | 15604.62 | 74.91 |
61 | China | 13101.79 | 64.78 |
62 | Russia | 12492.39 | 65.53 |
63 | Taiwan | 12070.88 | 52.5 |
64 | Argentina | 11726.73 | 104.43 |
65 | Kansas (United States) | 11372.11 | 12.5 |
66 | Alabama (United States) | 10939.76 | 20 |
67 | Mexico | 10528.7 | 81.5 |
68 | Brazil | 10285.2 | 251.5 |
69 | Louisiana (United States) | 9434.27 | 24.66 |
70 | Nevada (United States) | 8694.65 | 23.5 |
71 | Oklahoma (United States) | 8400.83 | 24 |
72 | Wyoming (United States) | 8201.48 | 9.5 |
73 | New Mexico (United States) | 7959.16 | 7.41 |
74 | Czech Republic | 7269.48 | 104.19 |
75 | Delaware (United States) | 5629.17 | 8 |
76 | Hawaii (United States) | 5581.51 | 24 |
77 | West Virginia (United States) | 5467.13 | 12 |
78 | Nebraska (United States) | 5133.23 | 9.5 |
79 | Vermont (United States) | 4822.6 | 8.83 |
80 | South Africa | 4312.72 | 77.5 |
81 | Colombia | 4045.91 | 137.08 |
82 | Ukraine | 3526.71 | 15.83 |
83 | Maine (United States) | 3522.45 | 7 |
84 | Mississippi (United States) | 3184.47 | 11 |
85 | Thailand | 2411.37 | 14.5 |
86 | Poland | 2120.9 | 65.16 |
87 | Montana (United States) | 1921.3 | 4 |
88 | Arkansas (United States) | 1904.74 | 8 |
89 | Malaysia | 1890.98 | 55 |
90 | Philippines | 1821.64 | 15.33 |
91 | Pakistan | 1778.05 | 68.41 |
92 | Egypt | 1436.61 | 8.5 |
93 | Iceland | 1431.65 | 6.33 |
94 | Luxembourg | 1314.36 | 17.07 |
95 | Slovenia | 1253.24 | 24 |
96 | Peru | 1237.68 | 26.58 |
97 | Uruguay | 1079.38 | 13 |
98 | United Arab Emirates | 781.86 | 9 |
99 | Bulgaria | 745.62 | 19.75 |
100 | Iraq | 658.54 | 0.75 |
101 | Côte d'Ivoire | 652.22 | 4 |
102 | Alaska (United States) | 543.27 | 3.66 |
103 | Tunisia | 495.8 | 21.83 |
104 | Venezuela | 470.56 | 4 |
105 | Ethiopia | 416.73 | 4.5 |
106 | Indonesia | 383.66 | 37.4 |
107 | Latvia | 295.24 | 2 |
108 | Romania | 278.33 | 164.33 |
109 | Kuwait | 270.94 | 3 |
110 | Viet Nam | 262.91 | 5.5 |
111 | North Dakota (United States) | 200.76 | 3 |
112 | Martinique | 197.5 | 1 |
113 | Sri Lanka | 178.81 | 4.5 |
114 | Monaco | 174 | 1 |
115 | Guadeloupe | 173.54 | 0.66 |
116 | Estonia | 161.22 | 17 |
117 | Tanzania | 148.35 | 3.5 |
118 | Jamaica | 146.79 | 4.5 |
119 | Kazakhstan | 146.47 | 2 |
120 | Iran | 133.24 | 11 |
121 | Palestinian Authority | 133.11 | 1 |
122 | Kyrgyzstan | 129.76 | 0.25 |
123 | Macao | 117.42 | 2 |
124 | Kenya | 89.34 | 2.5 |
125 | Qatar | 87.89 | 1.33 |
126 | Bangladesh | 77.78 | 10.66 |
127 | Idaho (United States) | 76.75 | 2 |
128 | Barbados | 75.74 | 2 |
129 | Croatia | 73.6 | 25 |
130 | Burkina Faso | 64.71 | 0.33 |
131 | South Dakota (United States) | 61.4 | 2 |
132 | Morocco | 52.59 | 3 |
133 | Guatemala | 51.76 | 1.5 |
134 | Saudi Arabia | 51.74 | 4 |
135 | Fiji | 47.28 | 10 |
136 | Lithuania | 42.21 | 2.5 |
137 | Armenia | 39.2 | 0.83 |
138 | Bolivia | 36.04 | 11 |
139 | Réunion | 30.85 | 1.5 |
140 | Nigeria | 30.13 | 5.33 |
141 | Slovakia | 29.54 | 5.33 |
142 | Belarus | 22.45 | 1 |
143 | Namibia | 21.9 | 2 |
144 | Lebanon | 19.99 | 2.33 |
145 | Nepal | 19.88 | 1.5 |
146 | Malawi | 12.51 | 2.33 |
147 | Jordan | 12.06 | 3 |
148 | Ecuador | 11.19 | 5.58 |
149 | Costa Rica | 10.96 | 2 |
150 | Bahrain | 9.25 | 0.33 |
151 | Niue | 8.02 | 0.5 |
152 | Macedonia (Former Yugoslav Republic) | 4.35 | 1 |
153 | Ghana | 2.88 | 2.66 |
154 | Georgia | 2.72 | 1 |
155 | Oman | 1.29 | 1 |
156 | Afghanistan | 1.18 | 0.25 |
157 | Serbia | 0.74 | 7 |
158 | Botswana | 0.38 | 2 |
159 | Paraguay | 0 | 1 |
159 | Uganda | 0 | 2.5 |
159 | Sudan | 0 | 1 |
159 | Uzbekistan | 0 | 1 |
159 | Montenegro | 0 | 1 |
159 | Malta | 0 | 1.5 |
159 | Nauru | 0 | 0.5 |
159 | Senegal | 0 | 2 |
159 | Cameroun | 0 | 1 |
159 | Algeria | 0 | 2.5 |