Year	Percent of GDP (Units)
1990	31.480
1991	28.956
1992	27.369
1993	25.175
1994	27.189
1995	28.753
1996	28.458
1997	28.150
1998	33.042
1999	35.201
2000	38.518
2001	29.620
2002	28.611
2003	30.107
2004	30.249
2005	30.957
2006	29.691
2007	34.064
2008	34.741
2009	35.909
2010	39.427
2011	35.217
2012	36.172
2013	33.442
2014	32.707
2015	32.393
2016	48.035
2017	53.980
2018	63.432
2019	48.281
2020	66.760
2021	66.978
2022	69.740
2023	47.557
2024	44.813
2025	43.347
2026	42.787
2027	42.318
2028	41.910
2029	41.273