Year	% of GDP
1990	34.48360657951298
1991	30.2316225499322
1992	35.667796332310644
1993	45.2364974710923
1994	44.23676756212244
1995	45.16191998721267
1996	35.72650669694855
1997	28.858783223333656
1998	26.14364206080948
1999	25.022054811316234
2000	23.989115154980833
2001	28.030143228253294
2002	27.499217273490416
2003	30.448835824932647
2004	33.60978673666498
2005	36.959273289401345
2006	42.76816646914673
2007	48.0583947796554
2008	49.026544551086474
2009	43.53260064563168
2010	47.64043942956829
2011	56.16612418218085
2012	54.36894908151382
2013	48.631627529549505
2014	45.356022343306506
2015	40.75768087783136
2016	35.420470400263596
2017	33.11259198531244
2018	32.64260990437371
2019	33.01858925023111
2020	27.963015196988355
2021	29.915184007404825
2022	35.00345171019938
2023	37.77253721466897