Year	% of GDP
1989	24.91550270214402
1990	21.251771785582257
1991	20.489772833700133
1992	20.211479224647498
1993	20.803635259987203
1994	20.029443784271333
1995	16.77983332905402
1996	16.222208817876286
1997	16.719820157887476
1998	16.309671495119552
1999	16.6250939661479
2000	16.925835059839407
2001	16.743831355126055
2002	16.54464719227989
2003	17.001816439448383
2004	16.825979720675875
2005	16.20126177695441
2006	16.028609562892957
2007	15.552502375096305
2008	15.222096169636151
2009	14.479565449524276
2010	14.158861051832528
2011	13.645286733309018
2012	13.383001838085049
2013	13.060632030125438
2014	13.028050403555207
2015	16.276373843964407
2016	16.063483509859818
2017	15.771975971225
2018	16.015276941395708
2019	15.7614132100697
2020	16.150347320606972
2021	17.11472697258383
2022	17.944058628033048
2023	17.761758171074916