Year	% of GDP
1992	25.626239752001048
1993	30.48698153875634
1994	28.708250195624622
1995	27.00241366212777
1996	26.644158658052547
1997	25.960833861002534
1998	27.057147842610256
1999	26.746063683500566
2000	26.877377779798064
2001	27.37521812345198
2002	28.28167696256355
2003	29.887541875140005
2004	30.994195928526068
2005	31.280593734030898
2006	31.12411427150126
2007	31.034049957551996
2008	31.609977982035485
2009	35.03515006975586
2010	35.110341634877976
2011	35.35825184100953
2012	35.821898930370935
2013	35.8830080857188
2015	33.88496907503925
2016	33.48094181017827
2017	33.132227708983756
2018	34.19589306657703
2019	34.351832708187786
2020	33.006121795830786
2021	32.830016670291464