Year	Percent of GDP (Units)
1997	13.862
1998	13.951
1999	14.712
2000	15.229
2001	16.206
2002	16.761
2003	16.459
2004	15.593
2005	14.471
2006	13.695
2007	13.232
2008	12.946
2009	11.756
2010	15.424
2011	13.174
2012	13.118
2013	13.303
2014	13.565
2015	14.891
2016	15.163
2017	16.285
2018	16.184
2019	18.271
2020	21.438
2021	21.512
2022	20.128
2023	19.121
2024	19.483
2025	19.817
2026	21.020
2027	21.156
2028	20.697
2029	20.919