Year constant 2015 US$ 1990 12325643703.231436 1991 12566771125.168715 1992 13541223002.741606 1993 14324425633.896717 1994 15065517310.50821 1995 15861165789.551525 1996 15956204637.00324 1997 16335441514.648195 1998 16786330327.135386 1999 16957220142.014673 2000 17224809445.390316 2001 17370820008.424984 2002 17567979626.893337 2003 17719323740.79317 2004 17857193016.197212 2005 18328358671.206593 2006 19255357551.954933 2007 19627309429.083477 2008 20180507860.929863 2009 19550020107.666466 2010 20028654461.580284 2011 20765999411.889645 2012 21135631710.760315 2013 21502029239.978302 2014 21860168289.350662 2015 22346390000 2016 22782231785.74715 2017 23204689411.651 2018 23754613790.673347 2019 24497266341.221176 2020 22425825866.633953 2021 25073788200.28264 2022 25716101005.813335 2023 26547143509.11256