Year	current US$
1993	3148507541.6776924
1994	3367785473.9758563
1995	3624102281.6679783
1996	3855509168.942645
1997	4040453110.9107304
1998	4430291467.348982
1999	4496548126.064736
2000	4205885930.1575603
2001	4591668606.212515
2002	5423313553.734576
2003	7219660117.434507
2004	8841968944.099379
2005	10046340007.461758
2006	11911317275.122318
2007	15333926909.389542
2008	17464694594.99048
2009	14504137260.350098
2010	14055135355.891857
2011	15928880303.472794
2012	15880486482.37969
2013	17603151412.19887
2014	18473370675.71719
2015	16246019201.20585
2016	17137518968.047512
2017	18707252547.914146
2018	21205630150.20861
2019	21714326163.419575
2020	22118642498.354923
2021	25732502449.45695
2022	26910517892.00205
2023	30106334385.2221