Year	% of GDP
1987	43.80164812728054
1988	43.374605549065315
1989	46.30313642847425
1991	39.80681430903967
1992	40.754260958926544
1993	43.37085995934254
1994	41.722021047921785
1995	41.33355659174208
1996	42.0027157058641
1997	40.60456102420882
1998	40.88278890120355
1999	42.799366496096965
2000	43.650581054970935
2001	45.61100741376627
2002	43.249792431797644
2003	43.810436050666155
2004	43.33978614615352
2005	45.77133809250026
2006	48.01222723685847
2007	49.85505520757788
2008	52.44224195632928
2009	54.587388165953776
2010	56.16874233999398
2011	57.37647488470798
2012	57.64985747007929
2013	60.469885826551426
2014	61.165119026476965
2015	62.50965549003357
2016	65.333562173895
2017	64.94350419379884
2018	65.35998347081036
2019	65.2769172413858
2020	74.28759935861207
2021	73.63920809554018
2022	67.54033050264893
2023	65.95482463900737