Year	% of GDP
1989	15.342093441638744
1990	16.212979777278598
1991	16.736762765350964
1992	17.771036597306036
1993	16.486610932705094
1994	16.583423412339577
1995	17.089220955227756
1996	17.34381289546551
1997	18.406431248595617
1998	19.030664233358525
1999	20.29872612363003
2000	21.193761078121792
2001	21.394122710180817
2002	22.256106004061998
2003	22.940520372133086
2004	23.808725485410292
2005	23.25079237488806
2006	23.328201809636763
2007	23.40509823854192
2008	24.338073844533096
2009	20.659102803427523
2010	21.126073979519475
2011	22.168261834282127
2012	22.904632276440662
2013	23.332273516317922
2014	23.524231069582427
2015	23.395688875105698
2016	22.810612439520185
2017	22.541787844477387
2018	25.104712229133437
2019	24.890241692723293
2020	24.198889695857154
2021	28.001277993474048
2022	29.842498370803593
2023	25.609917169421664