Year	% of GDP
1991	28.885491783696676
1993	20.162362279289837
1994	21.232530961465972
1995	31.855006111377833
1996	30.986683450125213
1997	37.218316842874366
1998	36.42228839900051
1999	36.05035332770023
2000	34.58652518295011
2001	31.00987979556203
2002	31.392918466257186
2003	31.103484949786175
2004	30.804950408264826
2005	31.39630207413059
2006	31.694290814508502
2007	31.530136668852144
2008	32.266685184693586
2009	32.180886986901704
2010	30.189417907997097
2011	28.873587803341604
2012	28.911876305422396
2013	29.096633999857474
2014	30.595691335392544
2015	31.376079783004723
2016	31.822018293610814
2017	31.193848411084822
2018	31.79819210389068
2019	31.959241130771034
2020	32.40244875541504
2021	33.53019781629721
2022	33.17216007103093