US dollar billion, at current prices and exchange rates.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 2.5 | 1.01% |
| 2018 | 2.5 | 6.23% |
| 2017 | 2.3 | 4.20% |
| 2016 | 2.2 | 0.87% |
| 2015 | 2.2 | -15.78% |
| 2014 | 2.6 | 1.68% |
| 2013 | 2.6 | 5.48% |
| 2012 | 2.5 | -5.50% |
| 2011 | 2.6 | 7.23% |
| 2010 | 2.4 | -1.92% |
| 2009 | 2.5 | -1.94% |
| 2008 | 2.5 |