Year	current US$
1989	11710000.038146999
1990	15500000
1991	14339999.541640254
1992	16079999.99821186
1993	16000000.189989842
1994	17529999.775812067
1995	17760000.46730041
1996	19789999.75882466
1997	12729999.652132345
1998	24060000.168159615
1999	22089999.815449107
2000	24489999.659359436
2001	25670000.649988644
2002	17880000.410601545
2003	42649999.57010147
2004	33230000.412091643
2005	50650000.50142412
2006	52399999.214336224
2007	46740000.7359684
2008	66180000.36850574
2009	56910001.24439594
2010	143820004.87670353
2011	149639995.7686662
2012	169510002.4249402
2013	163710004.91641513
2014	141790004.89786318
2015	54139999.38219782
2016	41650001.104921065
2017	39810000.31344594
2018	29379999.73259866
2019	28839999.249205012
2020	21610000.332817473
2021	24289999.708533317
2022	17249999.886378653