Year	Percent of GDP (Units)
1990	74.129
1991	67.319
1992	59.109
1993	51.134
1994	43.723
1995	38.166
1996	32.769
1997	29.620
1998	33.636
1999	34.363
2000	32.518
2001	38.065
2002	39.532
2003	41.393
2004	41.960
2005	40.778
2006	39.662
2007	39.348
2008	39.361
2009	50.408
2010	51.212
2011	51.898
2012	53.788
2013	55.656
2014	55.373
2015	56.971
2016	55.787
2017	54.396
2018	55.646
2019	57.083
2020	67.693
2021	69.153
2022	65.593
2023	67.310
2024	66.429
2025	66.333
2026	66.821
2027	67.655
2028	68.333
2029	68.766