Year % of GDP 1993 27.052932490679478 1994 33.325636965183506 1995 21.141248739634346 1996 26.299951646962377 1997 27.27617404062219 1998 24.27737006962002 1999 28.415477886489793 2000 39.42981207835924 2001 51.31745155146446 2002 62.115691966350376 2010 29.381153030376105 2011 34.67620194713798 2013 23.40901553416321 2014 21.130613734056553 2015 41.57809731689238 2016 45.95429120511421 2017 63.50799812194457 2018 76.64667696560711 2019 99.60004128023255 2020 84.71418075087853 2021 82.92545489953528 2022 76.34537784877757