Year	current international $
2000	3.25709591528337
2001	5.07033313400261
2002	13.7323365075076
2003	7.89106315922779
2004	12.3286221570881
2005	17.2177896886078
2006	20.2963254318289
2007	16.8393062597267
2008	19.1976654571751
2009	25.290112354
2010	29.8005612098858
2011	36.7576814093835
2012	25.9400103446073
2013	59.4272961717942
2014	182.597205862425
2015	161.700259720308
2016	112.013908439822
2017	52.0605782197705
2018	39.4582452956663
2019	50.709418935129
2020	49.786424835853
2021	38.9455487669991