US dollar billion, at current prices and exchange rates.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 4.6 | 2.33% |
| 2018 | 4.5 | 18.36% |
| 2017 | 3.8 | -7.05% |
| 2016 | 4.1 | 34.99% |
| 2015 | 3.0 | -4.03% |
| 2014 | 3.1 | 2.76% |
| 2013 | 3.1 | -15.61% |
| 2012 | 3.6 | 3.85% |
| 2011 | 3.5 | -6.24% |
| 2010 | 3.7 | 30.28% |
| 2009 | 2.9 | 32.00% |
| 2008 | 2.2 |