1	Guyana	78.5%
2	Suriname	71.3%
3	Marshall Islands	68.0%
4	Greenland	59.9%
5	Gibraltar	56.4%
6	Netherlands	53.7%
7	Maldives	49.2%
8	Tuvalu	39.3%
9	Belize	33.9%
10	Kiribati	33.5%
11	Bahrain	33.0%
12	Viet Nam	29.7%
13	St. Martin (French part)	28.7%
14	Seychelles	28.5%
15	United Arab Emirates	26.7%
16	Micronesia, Federated States of	23.2%
17	Mauritania	21.0%
18	Brunei Darussalam	20.9%
19	Turks and Caicos Islands	20.8%
20	Fiji	18.3%
21	Solomon Islands	17.9%
22	Cayman Islands	17.6%
23	Thailand	17.5%
23	Tonga	17.5%
25	Macao, China	17.2%
26	Nauru	16.6%
27	Egypt	16.3%
28	Eritrea	15.5%
29	French Polynesia	14.6%
30	Bahamas	12.9%
30	Dominica	12.9%
32	British Virgin Islands	12.7%
33	Denmark	12.6%
34	Japan	12.4%
35	Palau	12.3%
36	Antigua and Barbuda	12.2%
37	Liberia	11.7%
38	Iceland	11.3%
39	Djibouti	11.1%
40	New Caledonia	10.9%
41	Philippines	10.5%
42	Latvia	10.2%
43	Malaysia	10.1%
43	Vanuatu	10.1%
45	Gabon	9.5%
46	Albania	9.2%
46	Jamaica	9.2%
48	Tunisia	8.9%
49	Indonesia	8.8%
49	Samoa	8.8%
51	Bangladesh	8.4%
52	Puerto Rico	8.1%
52	Sint Maarten (Dutch part)	8.1%
54	Monaco	7.9%
55	Papua New Guinea	7.6%
56	St. Kitts and Nevis	7.4%
57	Benin	7.3%
57	Hong Kong, China	7.3%
59	Bermuda	7.2%
59	Ecuador	7.2%
59	Norway	7.2%
62	Senegal	7.0%
63	Libya	6.8%
63	Myanmar (Burma)	6.8%
63	Oman	6.8%
66	Qatar	6.7%
67	Cape Verde	6.5%
68	Northern Mariana Islands	6.3%
69	Man, Isle of	6.0%
69	Panama	6.0%
71	Grenada	5.9%
72	Equatorial Guinea	5.7%
73	Belgium	5.5%
74	Greece	5.1%
74	St. Vincent and the Grenadines	5.1%
74	Sweden	5.1%
77	Aruba	5.0%
78	China	4.9%
78	North Korea	4.9%
80	Kuwait	4.8%
81	Virgin Islands	4.7%
82	American Samoa	4.6%
82	Finland	4.6%
82	Iraq	4.6%
85	Guinea-Bissau	4.5%
86	Montenegro	4.4%
87	Croatia	4.3%
87	Gambia	4.3%
87	Madagascar	4.3%
90	Haiti	4.1%
90	Venezuela	4.1%
92	Cyprus	4.0%
92	Spain	4.0%
92	Trinidad and Tobago	4.0%
95	Georgia	3.9%
96	Italy	3.8%
96	Sri Lanka	3.8%
98	Australia	3.6%
99	Nigeria	3.5%
99	Sierra Leone	3.5%
99	Somalia	3.5%
102	Cote dIvoire	3.3%
102	New Zealand	3.3%
104	Comoros	3.2%
104	Saudi Arabia	3.2%
104	St. Lucia	3.2%
107	Lebanon	3.0%
107	Timor-Leste	3.0%
109	Ireland	2.8%
109	Mozambique	2.8%
111	Faeroe Islands	2.7%
111	United Kingdom	2.7%
113	Estonia	2.6%
113	Turkiye	2.6%
115	Cuba	2.5%
116	Guam	2.4%
116	Malta	2.4%
118	Cameroon	2.3%
118	Colombia	2.3%
118	Guinea	2.3%
121	Barbados	2.2%
121	Brazil	2.2%
121	Uruguay	2.2%
124	France	2.1%
124	Ghana	2.1%
124	Republic of Korea	2.1%
127	Cambodia	2.0%
127	Costa Rica	2.0%
127	Germany	2.0%
127	Sao Tome and Principe	2.0%
127	United States	2.0%
132	India	1.9%
133	Dominican Republic	1.8%
133	Honduras	1.8%
133	Nicaragua	1.8%
136	Curacao	1.7%
136	Israel	1.7%
136	Mauritius	1.7%
139	Poland	1.6%
139	Yemen	1.6%
141	Angola	1.5%
141	Lithuania	1.5%
143	Canada	1.4%
143	Morocco	1.4%
143	Slovenia	1.4%
146	Bulgaria	1.3%
146	Portugal	1.3%
148	Algeria	1.2%
149	Mexico	1.1%
149	Togo	1.1%
149	Ukraine	1.1%
152	Argentina	1.0%
152	Chile	1.0%
152	Russian Federation	1.0%
155	El Salvador	0.9%
155	Iran	0.9%
155	Republic of Congo	0.9%
158	Peru	0.7%
158	Singapore	0.7%
160	Sudan	0.5%
161	Kenya	0.4%
161	Pakistan	0.4%
161	Syrian Arab Republic	0.4%
161	Tanzania	0.4%
165	Romania	0.3%
166	Guatemala	0.2%
166	Namibia	0.2%
166	Palestinian Territory	0.2%
166	South Africa	0.2%
170	Jordan	0.1%
171	Bosnia and Herzegovina	0.0%
171	Democratic Republic of Congo	0.0%

Original source
Center for International Earth Science Information Network (CIESIN), Place II dataset.