2004-2006

2007-2009

2010-2012

2013-2015

2016-2018

Brazil

23.91

16.49

16.43

24.15

28.57

China

12.14

9.15

13.09

14.63

13.69

India

16.16

17.93

18.94

22.74

19.34

Russia

31.26

28.18

26.36

30.07

33.21

South Africa

19.36

25.08

31.17

40.65

49.14

Africa

67.72

41.01

34.25

37.78

47.67

USA

74.12

93.67

97.80

97.98

96.81

Germany

141.19

152.92

160.84

147.52

145.49

UK

293.51

344.01

368.65

308.70

301.90