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 | 5,113 | 2.66% |
| 2020 | 4,980 | 6.73% |
| 2019 | 4,666 | 4.77% |
| 2018 | 4,454 | 14.40% |
| 2017 | 3,893 | 2.02% |
| 2016 | 3,816 | 6.61% |
| 2015 | 3,580 | -1.04% |
| 2014 | 3,617 | -4.39% |
| 2013 | 3,784 | -8.28% |
| 2012 | 4,125 | 3.13% |
| 2011 | 4,000 | -6.79% |
| 2010 | 4,291 |