Year	Percent of GDP
1999	40.377
2000	43.732
2001	42.277
2002	44.239
2003	42.691
2004	46.197
2005	50.032
2006	49.639
2007	48.757
2008	49.169
2009	56.66
2010	60.482
2011	60.266
2012	60.471
2013	60.408
2014	59.144
2015	58.287
2016	57.135
2017	55.937
2018	51.032
2019	48.797
2020	46.819
2021	45.299
2022	44.209
2023	43.248
2024	42.413