Year	% of GDP
1981	24.87339179518316
1982	22.613993214078167
1983	21.41072592498818
1984	22.334886936156675
1985	23.21626933040266
1986	26.155152525915582
1987	26.304827362335054
1988	25.741192901601035
1989	23.217995761101275
1990	24.353463460116377
1991	21.032116028786945
1992	15.848669049763659
1993	19.39235039820434
1994	25.167282654087526
1995	11.102933818176503
1996	12.596616370462668
1997	12.214899599622772
1998	15.600111633562433
1999	14.634059893080648
2000	15.30723052763157
2001	16.791306035020863
2002	16.122634416181924
2003	14.242529774631832
2004	14.46772087451898
2005	12.13889787769196
2006	11.683288331339464
2007	13.071168683487896
2008	14.642213114149733
2009	14.114053415211114
2010	12.688125697708022
2011	12.255237558008671
2012	13.526811767258856
2013	13.457125518711718
2014	13.017010098065814
2015	14.871773951059996
2016	15.955295344770068
2017	13.928866346346153
2018	12.69298481435716
2019	13.107964863903756
2020	15.810243412738675
2021	14.912736523155528
2022	13.918698376422611
2023	13.270907322904826