Year current international $ 1990 2853.3828123074513 1991 2888.9792484866257 1992 3031.21027352198 1993 3127.1638369774214 1994 3183.9326660528955 1995 3390.985022695421 1996 3536.413587114596 1997 3497.006212395378 1998 3525.9051316356276 1999 3699.323688715268 2000 3778.8803453565106 2001 3810.9352668535353 2002 3932.002765792024 2003 3993.0745588356053 2004 4226.2659206006365 2005 4421.010548721268 2006 4445.449443502737 2007 4559.715317450768 2008 4672.214601662657 2009 4676.123790153755 2010 4783.0902307560855 2011 4978.800416670631 2012 5171.17517087112 2013 5565.341348058598 2014 6116.809357168485 2015 6511.503484002334 2016 6653.51729363065 2017 6876.291977118184 2018 7095.279776721926 2019 7139.977677134679 2020 6435.617656982664 2021 6274.480490490292 2022 7396.6142289140225 2023 7990.671440519044