Year	constant 2015 US$
1996	7024809472.562234
1997	7836775176.935019
1998	8641866855.27999
1999	8494535294.191696
2000	8349214156.449256
2001	7743921708.39624
2002	7509414393.556201
2003	7127677183.748826
2004	8050337761.753831
2005	8699738039.858612
2006	8660351049.752066
2007	8692283675.178566
2008	8610154611.318264
2009	9901839830.814714
2010	11261628214.264462
2011	8981857200.498087
2012	11471683091.257103
2013	10343288847.779194
2014	10197392059.214634
2015	11618511648.597319
2016	11623585973.09081
2017	12356104719.362303
2018	12898422780.024221
2019	13398679135.066778
2020	14332324087.234148
2021	16614765983.706907
2022	26313981482.31499
2023	28526447245.46706