US dollar billion, at current prices and exchange rates.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 1.5 | 12.88% |
| 2018 | 1.3 | -16.15% |
| 2017 | 1.6 | -20.82% |
| 2016 | 2.0 | 1.84% |
| 2015 | 1.9 | 3.29% |
| 2014 | 1.9 | 8.71% |
| 2013 | 1.7 | 8.74% |
| 2012 | 1.6 | 6.53% |
| 2011 | 1.5 | 3.68% |
| 2010 | 1.4 | 22.99% |
| 2009 | 1.2 | 26.39% |
| 2008 | 0.9 |