Year	% of GDP
1994	39.005299274995785
1995	14.77266673805425
1996	14.249940106026408
1997	15.75096254395769
1998	30.940544561717324
1999	16.702959947311093
2000	17.66750215791894
2001	14.920271331493257
2002	14.608984742695583
2003	16.11861621696276
2004	17.68189983157238
2005	19.31942425588354
2006	22.084683159448446
2007	25.220955937973745
2008	23.854618586217207
2009	26.818723524944875
2010	29.484020372414875
2011	36.19109306904913
2012	29.453770182684348
2013	28.822140844818417
2014	29.715277020067266
2015	36.3628960960961
2016	35.74020342265343
2017	37.68255171304422
2018	35.344104643557884
2019	36.00458238275636
2020	33.930215868181484
2021	30.72803690658586