Year	% of GDP
1989	19.99335050374936
1990	19.659019797855887
1991	20.087485983954604
1992	20.4930352023824
1993	20.40748555453703
1994	20.6240773192432
1995	19.523227328002978
1996	19.481071899225736
1997	19.60275847723385
1998	20.430567477955748
1999	20.665125850282447
2000	19.87747684685977
2001	20.70417501447264
2002	20.944244133493388
2003	20.391901181630413
2004	19.24898828647765
2005	18.657391219895135
2006	18.051182575774185
2007	18.161194011357434
2008	17.921376481199474
2009	19.860538396583102
2010	19.234727798751923
2011	18.886447451665642
2012	18.919555173357665
2013	18.848961107677685
2014	18.84497242230284
2015	19.398259122327495
2016	19.162565953904192
2017	18.851795905129638
2018	18.600467581597336
2019	18.790867417348036
2020	21.287726589471706
2021	20.019103491868723
2022	18.67592566761129
2023	19.638490193415837