Year	current US$
1991	20049170458.927883
1992	20445357485.604607
1993	19095189583.228596
1994	23648697869.240574
1995	28210834293.820377
1996	29328525445.137108
1997	30831831831.83183
1998	29704717689.629276
1999	27102673954.793915
2000	27956388435.198715
2001	28364641828.910236
2002	29848764817.9208
2003	31691193377.788
2004	34311031694.885464
2005	37905784572.45124
2006	42032003908.87437
2007	48332054969.63886
2008	58302402679.51742
2009	61301374410.7297
2010	72205300650.4137
2011	82030427362.84085
2012	94647529976.27376
2013	101625560392.89403
2014	105197735575.77834
2015	102574425197.02843
2016	104212900385.23738
2017	113793088641.94562
2018	119174418084.56938
2019	124200959492.90538
2020	109146048531.29138
2021	110259256796.8388
2022	122277149370.52515