Year	% of GDP
1990	23.154767390630234
1991	22.349845830135926
1992	22.084556758125327
1993	20.665159559205552
1994	22.30854894338255
1995	19.89724230050439
1996	17.834545846367213
1997	16.951190057262657
1998	17.437604442183197
1999	23.09459588260588
2000	22.802529541137844
2001	22.052073833653544
2002	20.4946878363375
2003	22.16828007896263
2004	23.051887362724116
2005	22.22571283671243
2006	21.853970892529702
2007	23.02119883723265
2008	24.397678162016753
2009	25.033011961799435
2010	23.482652266529836
2011	23.821133605038092
2012	24.016522765145456
2013	24.22423533073126
2014	24.14707781474448
2015	24.385305405517837
2016	23.701558620368736
2017	23.95568010463494
2018	23.293705024341776
2019	22.831121768296033
2020	22.208973946749953
2021	22.753411222263725
2022	23.740330636546194
2023	24.50853008421566
