Year	Percent of GDP (Units)
1991	35.964
1992	29.564
1993	31.491
1994	30.128
1995	26.144
1996	27.604
1997	22.562
1998	25.843
1999	24.280
2000	21.788
2001	25.228
2002	21.333
2003	20.050
2004	17.709
2005	15.744
2006	15.627
2007	17.657
2008	21.951
2009	34.997
2010	31.114
2011	30.293
2012	28.382
2013	29.561
2014	32.250
2015	27.239
2016	32.775
2017	28.136
2018	26.692
2019	28.449
2020	31.131
2021	26.390
2022	22.936
2023	25.946
2024	26.629
2025	26.709
2026	26.621
2027	26.427
2028	26.284
2029	26.180