Year	constant 2015 US$
1995	11300426514.453903
1996	11600624088.731638
1997	12180151518.840233
1998	12618582194.648046
1999	12948976271.75703
2000	13047753985.383595
2001	13705729524.423828
2002	14480075213.484375
2003	15504071288.551561
2004	16781072916.60664
2005	18251073202.473045
2006	21101665896.940624
2007	23118253284.705856
2008	21746640163.928513
2009	18644865955.66523
2010	18582703276.942184
2011	18642401727.535152
2012	19479963023.051945
2013	20528034418.3328
2014	20818960902.896473
2015	21249809167.609756
2016	21921958733.827724
2017	22591111505.728115
2018	23209477434.573036
2019	23511991671.766396
2020	22868241197.496864
2021	24307564561.450382
2022	25774761108.242176
2023	25957275978.74999