US dollar billion, at current prices and exchange rates.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 3.1 | -3.30% |
| 2018 | 3.3 | 16.31% |
| 2017 | 2.8 | 1.12% |
| 2016 | 2.8 | -6.22% |
| 2015 | 2.9 | -29.07% |
| 2014 | 4.2 | 6.74% |
| 2013 | 3.9 | -2.63% |
| 2012 | 4.0 | 10.28% |
| 2011 | 3.6 | -19.65% |
| 2010 | 4.5 | -0.15% |
| 2009 | 4.5 | -8.12% |
| 2008 | 4.9 |