Year	constant 2015 US$
1997	26095896335127.773
1998	26799117002956.363
1999	27659483523253.61
2000	28906197099214.152
2001	29826948792517.4
2002	30699170113312.145
2003	31567035172629.082
2004	32930734254426.863
2005	34353762524025.94
2006	36038260668880.27
2007	38095588416145.695
2008	39323569131048.945
2009	39460113149837.77
2010	41037708152532.586
2011	42619681499448.984
2012	43965527689846.37
2013	45410085845844.23
2014	46896123141988.48
2015	48386831918717.08
2016	49934598364433.16
2017	51823466017992.8
2018	53638501134417.17
2019	55369385300173.336
2020	53316982975355.78
2021	56624430109853.14
2022	58965768031937.234