Figures in constant (2020) US$ are present according to calendar year, calculated on the assumption that, where financial years do not correspond to calendar years, spending is distributed evenly through the year
| तिथि | मान | बदले , % |
|---|---|---|
| 2021 | 18,747 | -4.31% |
| 2020 | 19,591 | -4.27% |
| 2019 | 20,465 | -4.31% |
| 2018 | 21,388 | 6.64% |
| 2017 | 20,057 | 6.52% |
| 2016 | 18,829 | -5.08% |
| 2015 | 19,836 | -2.32% |
| 2014 | 20,307 | 2.00% |
| 2013 | 19,909 | 0.54% |
| 2012 | 19,801 | 1.92% |
| 2011 | 19,428 | -3.14% |
| 2010 | 20,057 |