Year	% of GDP
1990	12.325321762862815
1991	13.044364523210096
1992	15.231639071679167
1993	18.44454812823317
1994	20.06802587009352
1995	22.495208777114208
1996	22.904435870883795
1997	24.92376490495801
1998	27.13418760404746
1999	25.005654876612947
2000	25.777906161230362
2001	24.70277357821555
2002	29.742984484903985
2003	28.802889080802053
2004	29.365369516645057
2005	29.39717832225492
2006	25.768353885967223
2007	23.65582944694303
2008	23.082653900009024
2009	21.701637393959317
2010	20.9935662243333
2011	21.14200705018538
2012	21.344495934968645
2013	20.218157443688952
2014	20.611242786826974
2015	20.439294959268818
2016	19.38099265587186
2017	20.284411832666734
2018	18.678118566673962
2019	18.95425980666824
2020	20.8521076737596
2021	19.985779016251257
2022	17.802863915924817