Year current US$ 1991 14242433.707093105 1992 14550304.038637578 1993 12676418.723446982 1994 16331077.676509742 1995 18449355.51506459 1996 22218316.931110665 1997 21691995.728808425 1998 18173234.034782566 1999 20520905.672654014 2000 23299567.649733987 2001 29750420.115765233 2002 28132431.054071154 2003 27925853.368574765 2004 31911561.097363792 2005 34327520.74786561 2006 33369051.96648697 2007 39697087.577748425 2008 31919761.699029062 2009 27053149.293430608 2010 32366030.563780013 2011 51258336.02720209 2012 66709520.9630602 2013 58328342.25469083 2014 57217055.089507125 2015 63995311.18502785 2016 55784418.98651468 2017 66035376.77107191 2018 63177399.53647609 2019 65919333.07477755 2020 75353026.42538011 2021 93685216.67267084 2022 108242740.48300812