Year	current US$
1991	310596629.90459
1992	902193951.352318
1993	655159266.381872
1994	1001796405.27122
1995	1236448646.10957
1996	483565544.007178
1997	2111518090.54677
1998	2684704979.33994
1999	2892115859.93365
2000	3154932645.38982
2001	3290770435.08362
2002	4407064600.69285
2003	6291014237.56369
2004	8776249132.85169
2005	8040543681.81402
2006	10943005137.2857
2007	16477943644.9979
2008	16815532884.4521
2009	17127293529.1316
2010	15420510258.801
2011	15251917950.4487
2012	18371022895.0265
2013	18334727398.1463
2014	18576128878.3467
2015	20783318488.9051
2016	23691208595.9197
2017	26692714576.2926
2018	27044894864.6649
2019	25919566298.6159
2020	35377554378.6185
2021	36798315472.2235
2022	38609136429.5133
2023	43624306742.1794