View list in rank order
Rank		Country	Value	Date of Info
102		Afghanistan	17.2	2016
43		Albania	25.2	2017
12		Algeria	38.1	2017
133		American Samoa	7.3	2016
137		Andorra	N/A	2022
126		Angola	10.3	2017
36		Anguilla	26.8	2017
54		Antigua and Barbuda	23.9	2017
114		Argentina	14.8	2017
101		Armenia	17.3	2017
69		Aruba	22.3	2014
52		Australia	24.1	2017
57		Austria	23.5	2017
56		Azerbaijan	23.6	2017
39		Bahamas The	26.3	2017
40		Bahrain	26.1	2017
25		Bangladesh	30.5	2017
99		Barbados	17.6	2017
45		Belarus	24.9	2017
59		Belgium	23.3	2017
67		Belize	22.5	2017
34		Benin	27.6	2017
118		Bermuda	13.7	2017
3		Bhutan	47.2	2017
77		Bolivia	21.3	2017
106		Bosnia and Herzegovina	16.6	2017
27		Botswana	29	2017
111		Brazil	15.6	2017
74		British Virgin Islands	21.7	2017
18		Brunei	32.6	2017
89		Bulgaria	19.2	2017
48		Burkina Faso	24.6	2017
15		Burma	33.5	2017
109		Burundi	16	2017
19		Cabo Verde	32.2	2017
73		Cambodia	21.8	2017
75		Cameroon	21.6	2017
62		Canada	23	2017
71		Cayman Islands	22.1	2017
118		Central African Republic	13.7	2017
52		Chad	24.1	2017
76		Chile	21.5	2017
7		China	42.7	2017
70		Colombia	22.2	2017
84		Comoros	20	2017
110		Congo Democratic Republic of the	15.9	2017
8		Congo Republic of the	42.5	2017
103		Costa Rica	17.1	2017
68		Cote d'Ivoire	22.4	2017
84		Croatia	20	2017
129		Cuba	9.6	2017
79		Cyprus	21.1	2017
47		Czechia	24.7	2017
84		Denmark	20	2017
10		Djibouti	41.8	2017
76		Dominica	21.5	2017
72		Dominican Republic	21.9	2017
50		Ecuador	24.3	2017
114		Egypt	14.8	2017
104		El Salvador	16.9	2017
127		Equatorial Guinea	10.2	2017
134		Eritrea	6.4	2017
53		Estonia	24	2017
120		Eswatini	13.4	2017
4		Ethiopia	43.5	2017
95		Faroe Islands	18.4	2013
104		Fiji	16.9	2017
71		Finland	22.1	2017
67		France	22.5	2017
27		Gabon	29	2017
89		Gambia The	19.2	2017
68		Gaza Strip	22.4	2017
26		Georgia	29.5	2017
82		Germany	20.4	2017
118		Ghana	13.7	2017
137		Gibraltar	N/A	2022
122		Greece	12.5	2017
116		Greenland	14.3	2015
84		Grenada	20	2017
80		Guam	20.6	2016
123		Guatemala	12.3	2017
137		Guernsey	N/A	2022
130		Guinea	9.1	2017
18		Haiti	32.6	2016
61		Honduras	23.1	2017
73		Hong Kong	21.8	2017
75		Hungary	21.6	2017
71		Iceland	22.1	2017
29		India	28.5	2017
20		Indonesia	32.1	2017
80		Iran	20.6	2017
80		Iraq	20.6	2016
58		Ireland	23.4	2017
137		Isle of Man	N/A	2022
83		Israel	20.1	2017
100		Italy	17.5	2017
77		Jamaica	21.3	2017
53		Japan	24	2017
137		Jersey	N/A	2022
64		Jordan	22.8	2017
67		Kazakhstan	22.5	2017
90		Kenya	18.9	2017
137		Kiribati	N/A	2022
137		Korea North	N/A	2014
22		Korea South	31.1	2017
38		Kuwait	26.5	2017
17		Kyrgyzstan	33.2	2017
23		Laos	30.9	2017
85		Latvia	19.9	2017
73		Lebanon	21.8	2017
21		Lesotho	31.4	2017
86		Liberia	19.5	2016
135		Libya	2.7	2017
137		Liechtenstein	N/A	2022
91		Lithuania	18.8	2017
108		Luxembourg	16.2	2017
94		Macau	18.5	2017
113		Madagascar	15.1	2017
112		Malawi	15.3	2017
42		Malaysia	25.3	2017
137		Maldives	N/A	2016
88		Mali	19.3	2017
79		Malta	21.1	2017
1		Mauritania	56.1	2017
101		Mauritius	17.3	2017
69		Mexico	22.3	2017
26		Micronesia Federated States of	29.5	2016
72		Moldova	21.9	2017
137		Monaco	N/A	2022
55		Mongolia	23.8	2017
97		Montserrat	17.9	2017
30		Morocco	28.4	2017
74		Mozambique	21.7	2017
109		Namibia	16	2017
9		Nauru	42.2	2016
14		Nepal	33.8	2017
81		Netherlands	20.5	2017
58		New Zealand	23.4	2017
32		Nicaragua	28.1	2017
11		Niger	38.6	2017
114		Nigeria	14.8	2017
137		Niue	N/A	2022
119		North Macedonia	13.6	2017
52		Norway	24.1	2017
33		Oman	27.8	2017
115		Pakistan	14.5	2017
65		Palau	22.7	2016
6		Panama	42.9	2017
128		Papua New Guinea	10	2017
101		Paraguay	17.3	2017
74		Peru	21.7	2017
44		Philippines	25.1	2017
137		Pitcairn Islands	N/A	2022
98		Poland	17.7	2017
108		Portugal	16.2	2017
124		Puerto Rico	11.7	2017
5		Qatar	43.1	2017
66		Romania	22.6	2017
75		Russia	21.6	2017
63		Rwanda	22.9	2017
24		Saint Kitts and Nevis	30.8	2017
104		Saint Lucia	16.9	2017
125		Saint Vincent and the Grenadines	10.8	2017
137		Samoa	N/A	0
137		San Marino	N/A	2011
16		Sao Tome and Principe	33.4	2017
60		Saudi Arabia	23.2	2017
44		Senegal	25.1	2017
37		Seychelles	26.7	2017
96		Sierra Leone	18.1	2017
46		Singapore	24.8	2017
78		Slovakia	21.2	2017
95		Slovenia	18.4	2017
137		Solomon Islands	N/A	0
84		Somalia	20	2015
92		South Africa	18.7	2017
80		Spain	20.6	2017
39		Sri Lanka	26.3	2017
95		Sudan	18.4	2017
2		Suriname	52.5	2017
137		Svalbard	N/A	2022
45		Sweden	24.9	2017
49		Switzerland	24.5	2017
93		Syria	18.6	2017
81		Taiwan	20.5	2017
124		Tajikistan	11.7	2017
13		Tanzania	36.1	2017
60		Thailand	23.2	2017
58		Togo	23.4	2017
137		Tokelau	N/A	2022
52		Tonga	24.1	2017
131		Trinidad and Tobago	8.2	2017
87		Tunisia	19.4	2017
31		Turkmenistan	28.2	2017
107		Turks and Caicos Islands	16.5	2017
50		Tuvalu	24.3	2016
54		Uganda	23.9	2017
109		Ukraine	16	2017
62		United Arab Emirates	23	2017
102		United Kingdom	17.2	2017
102		United States	17.2	2017
105		Uruguay	16.7	2017
42		Uzbekistan	25.3	2017
28		Vanuatu	28.7	2017
117		Venezuela	13.9	2017
51		Vietnam	24.2	2017
132		Virgin Islands	7.5	2016
62		West Bank	23	2017
41		World	25.7	2017
136		Yemen	2.2	2017
35		Zambia	27.1	2017
121		Zimbabwe	12.6	2017