| Year | Value (in billion USD) | Growth |
| 2012 | 88.474 |
|
| 2013 | 93.940 | 6.18% |
| 2014 | 99.641 | 6.07% |
| 2015 | 105.128 | 5.51% |
| 2016 | 110.337 | 4.72% |
| 2017 | 115.536 | 4.71% |
| 2018 | 120.778 | 4.54% |
| 2019 | 126.225 | 4.51% |