Year	% of GDP
1980	26.919731471775542
1981	26.920193425047795
1982	26.920914232791983
1983	26.921391399616546
1984	26.92059873116574
1985	26.920944546904877
1986	26.920889054371322
1987	26.920877777558704
1988	26.920758697331
1989	26.92113500959305
1990	26.920577925963922
1991	26.92092307949483
1992	26.92085308839806
1993	26.921037445998845
1994	26.92122488902265
1995	26.920833696461017
1996	26.92135570911484
1997	26.920738395963266
1998	26.920986583779626
1999	26.921204022467837
2000	26.921164487930067
2001	26.920968083264395
2002	26.920942320968493
2003	26.92082925168066
2004	26.9210359370075
2005	26.921128253125982
2006	26.921095231656917
2007	24.180837245778587
2008	27.997179125528916
2009	28.584983653376423
2010	29.91123233030714
2011	30.044580139160832
2012	31.86454969870226
2013	30.194908060182307
2014	29.55935101817422
2015	27.668753764480115
2016	26.459984138937575
2017	28.26304247288568
2018	30.087130352257006
2019	29.49461790249578
2020	28.058182507343883
2021	31.470407110900066
2022	35.06564695200516
2023	34.98549671166938