Year % GDP 1990 19.015301874313177 1991 19.333087388577002 1992 31.519631559981036 1993 36.277863359838705 1994 37.767508557906545 1995 43.396925985993526 1996 40.90827271266011 1997 41.55460212813349 1998 40.87875277513043 1999 39.068367625138244 2000 39.64672301813392 2001 41.18826710336696 2002 41.01601362953808 2003 44.365369497638696 2004 46.17273525734515 2005 50.70461650763984 2006 48.12022831005155 2007 47.660188150801055 2008 45.998149879050445 2009 47.40213623833763 2010 48.4387653041939 2011 48.6117254153558 2012 48.63234976755252 2013 50.660136969042554 2014 51.38012331740629 2015 54.008751947132104 2016 54.284121275363894 2017 52.399879344277636 2018 53.23227976882233 2019 56.95635309813443 2020 60.64403467004295 2021 58.25298877082257 2022 54.11613891748321 2023 50.172712606039624