Year	% of GDP
1981	42.95082581237533
1982	43.65250988749012
1983	40.49346540021052
1984	38.85438384727518
1985	37.13743119595755
1986	40.740568315283376
1987	41.65215178321869
1988	40.94633940230183
1989	41.06690015422836
1990	41.35294709504969
1991	41.0290314199189
1992	40.41404277427746
1993	41.91262654506241
1994	43.00266913487321
1995	41.600401494090924
1996	40.34051686296849
1997	40.536184258836194
1998	43.27776926147439
1999	42.98959961377984
2000	45.750132911819534
2001	46.76109420708757
2002	45.96502577646863
2003	45.78885140633363
2004	46.13442097645081
2005	45.98969514429799
2006	46.7317722563399
2007	46.88618459473096
2008	46.55426249950197
2009	48.0310689303726
2010	47.66670775561959
2011	47.027311240937834
2012	47.993503179119365
2013	48.756320355073356
2014	48.9383297657768
2015	50.65034277013303
2016	50.52609447735331
2017	49.52841560781799
2018	48.79024716597997
2019	48.232687340724745
2020	47.52510026250368
2021	46.0785835416815
2022	45.206216715226546
2023	43.988163352587115