Year current US$ 1990 772727272.7272726 1991 303000000 1992 38154981.5498155 1993 76839209.80245061 1994 23309398.33463357 1995 187151144.94131136 1996 319673398.40721273 1997 292946084.120064 1998 183122253.8123546 1999 181060709.94729578 2000 325424577.3782982 2001 449148893.4487398 2002 500121378.69742143 2003 559794572.2937323 2004 626541677.1819565 2005 1030334633.988456 2006 1191903250.8996077 2007 2240818343.2697372 2008 3504296390.0586643 2009 3662306866.405485 2010 3745950660.35385 2011 4030716006.108757 2012 4519598546.417274 2013 5145428983.3163595 2014 5867046090.569608 2015 4916139938.549471 2016 3202249514.639768 2017 3012105243.281401 2018 3756138909.1991434 2019 4422588235.294118 2020 4028470588.2352943 2021 4458588235.294118 2022 5866529411.764706 2023 6583352941.176471