Year current international $ 1990 414.689480677627 1991 381.69642905941913 1992 342.31976361938274 1993 383.3697960366203 1994 390.76279353477236 1995 409.72728705322504 1996 454.2849923368143 1997 461.9232039271348 1998 437.36859388192653 1999 452.5418162923214 2000 476.5872085168787 2001 512.5776341320641 2002 513.154311766481 2003 497.3120580290937 2004 563.575531268449 2005 631.7459772409801 2006 701.6694791985822 2007 780.6604651684981 2008 856.8739460452523 2009 912.117245158944 2010 1010.1665524181942 2011 1114.0459719790697 2012 1195.7945614494367 2013 1270.3472358330423 2014 1505.005337865923 2015 1654.847633222899 2016 1882.6871540965863 2017 2031.9572996211798 2018 2124.2546219297874 2019 2274.214138757557 2020 2442.2524837193764 2021 2628.343464126477 2022 2888.736491715796 2023 3109.2765123205045