Year	% of GDP
1992	27.26052430446053
1993	31.63185026888347
1994	29.895609650723358
1995	28.896950572398264
1996	28.41109520629337
1997	27.430372749603976
1998	27.5285474254141
1999	27.0686672634292
2000	27.44071010444045
2001	27.335596906361634
2002	28.238988985603072
2003	29.71186934841215
2004	30.743195955113805
2005	31.063415939323324
2006	30.9507422519405
2007	30.743569476050524
2008	31.154076463576267
2009	33.90188986358175
2010	33.91411560596097
2011	34.00618846757282
2012	34.53515129910138
2013	34.77092075062719
2014	34.235357301484115
2015	32.744878475656876
2016	32.283798407440784
2017	32.02492254526115
2018	32.84531498783351
2019	32.86979162971819
2020	31.87686533887363
2021	31.77373199919746