Year current international $ 1990 2573.639788191736 1991 2410.178680047475 1992 1719.3101266378208 1993 1455.5614215083474 1994 1152.6123078822702 1995 1011.1232610252736 1996 840.7144863761223 1997 858.004093641585 1998 907.8465387703159 1999 949.7016723126492 2000 1038.0685241645483 2001 1138.4891075401874 2002 1255.014627215821 2003 1392.7359033265823 2004 1547.6431685195905 2005 1671.6655305828579 2006 1810.3294767780417 2007 1967.8865866345377 2008 2124.005741864468 2009 2177.6506155653638 2010 2300.2049398389136 2011 2468.5813491569597 2012 2698.498687051941 2013 2947.296962994664 2014 3189.2756463898436 2015 3017.281199174321 2016 2960.714914404149 2017 3071.228604759379 2018 3129.3556612612497 2019 3531.4791323668946 2020 3732.8737081542727 2021 4074.560222934162 2022 4614.424213549867 2023 5082.171802937293