Year	constant 2015 US$
2007	2437493333.460699
2008	2409296739.607624
2009	2080151105.9250605
2010	2530273053.181193
2011	2718163671.570268
2012	2790224305.6689796
2013	2407963563.7681956
2014	2542809565.4236827
2015	3285310501.417041
2016	3157146761.8410516
2017	3198189639.684651
2018	3377209189.8549757
2019	3579548189.0297318
2020	3619572454.3992715
2021	3606145018.9199166
2022	3786988044.017133
2023	3897170824.711117