Table 1 Number of respondents to the survey by country, 2015

 United States

401

17

 Belgium

226

9

 Spain

207

9

 Russia

199

8

 France

183

8

 Japan

175

7

 United Kingdom

135

6

 Switzerland

120

5

 Australia

110

5

 Canada

103

4

 Italy

82

3

 Germany

62

3

 Qatar

56

2

 Portugal

53

2

 Denmark

42

2

 New Zealand

37

2

 Argentina

37

1

 Saudi Arabia

29

1

 Netherlands

28

1

 Norway

28

1

 Greece

20

1

 Poland

20

1

 Sweden

15

1

 Venezuela

12

0.5

 Chile

14

0.5

 Uruguay

10

0.5

 Austria

10

0.5

Total responses of 27 high income countries with at least 10 replies

2414

100

 China

379

45

 India

130

16

 Brazil

92

11

 Jordan

38

5

 Colombia

38

5

 Mexico

24

3

 Costa Rica

20

2

 Lebanon

19

2

 Sudan

19

2

 South Africa

18

2

 Turkey

18

2

 Peru

16

2

 Ecuador

13

2

 Ukraine

12

1

Total responses of 14 Middle Income countries with at least 10 replies

836

100