Year	% of GDP
1990	4.193528459704222
1991	3.171281972257603
1992	3.0429677440694025
1993	3.2526602749532327
1994	3.338112474845214
1995	3.009603788272972
1996	3.3788369450761766
1997	3.2294108664996006
1998	3.0288167809381576
1999	3.047569422666519
2000	3.110428355420614
2001	3.4968801332198667
2002	3.945027140073449
2003	2.8874074221648893
2004	3.061605922538072
2005	2.88586426810108
2006	2.7310333788522234
2007	2.2060140143963904
2008	2.3420923019016997
2009	2.3010985055979627
2010	2.2043406029373322
2011	2.2923185476907286
2012	2.2677119396182968
2013	2.2852850020651143
2014	2.2203607562691636
2015	2.37528258489241
2016	2.4042518819291403
2017	2.7039669701451308
2018	2.457105557627751
2019	2.1130826925779034
2020	2.0092734145655693
2021	2.3002526208757623
2022	2.6755288076011663
2023	2.38338796858382