Year	Percent of GDP (Units)
1997	8.723
1998	18.141
1999	26.058
2000	27.339
2001	32.763
2002	37.187
2003	43.711
2004	46.791
2005	45.848
2006	44.481
2007	42.396
2008	44.255
2009	41.364
2010	39.009
2011	35.972
2012	37.640
2013	33.452
2014	35.053
2015	33.957
2016	29.349
2017	26.628
2018	24.754
2019	25.224
2020	21.762
2021	20.142
2022	19.397
2023	17.655
2024	17.282
2025	17.811
2026	18.302
2027	19.128
2028	20.253
2029	21.567