Actual Data
| 1970 | 1990 | 2000 | 2005 | 2010 | 2015 | 2020 | |
|---|---|---|---|---|---|---|---|
| South Africa | 19.14 | 19.79 | 22.62 | 23.81 | 24.97 | 26.35 | 27.62 |
| India | 19.32 | 21.09 | 22.71 | 23.79 | 25.10 | 26.77 | 28.43 |
| China | 19.26 | 24.86 | 29.98 | 32.57 | 35.03 | 36.70 | 38.42 |
| Brazil | 18.65 | 22.58 | 25.27 | 27.09 | 29.15 | 31.37 | 33.48 |
| Russian Federation | 30.76 | 33.36 | 36.50 | 37.31 | 37.99 | 38.65 | 39.59 |