Year current international $ 1990 2294.9393380356014 1991 2446.2411357254464 1992 2491.755014715221 1993 2606.814274204803 1994 2732.6860747563355 1995 2865.476905837714 1996 2988.826748927123 1997 3132.8598050239243 1998 3267.451184396641 1999 3267.8462846817347 2000 3364.4390677539723 2001 3436.7560597994393 2002 3514.824223493177 2003 3617.668448781035 2004 3803.2628423942238 2005 4025.5729805095248 2006 4273.458242718512 2007 4509.94949167265 2008 4795.802363306795 2009 4902.6583381136925 2010 5080.109536722379 2011 5363.987902708094 2012 5837.0711010934665 2013 6552.414615520122 2014 7003.241839111389 2015 7103.431756330827 2016 7492.284709432369 2017 8442.58529533443 2018 8876.58471942896 2019 9091.927689438526 2020 8210.702909809102 2021 9342.971844273055 2022 10238.812087808026 2023 10726.998807830332