Year	Percent of GDP (Units)
1999	20.323
2000	21.391
2001	21.312
2002	23.906
2003	22.356
2004	23.533
2005	24.053
2006	26.926
2007	28.595
2008	26.132
2009	30.749
2010	27.151
2011	26.582
2012	27.470
2013	33.059
2014	37.933
2015	34.675
2016	38.666
2017	43.225
2018	42.628
2019	41.722
2020	44.203
2021	48.329
2022	45.237
2023	47.750
2024	41.787
2025	37.882
2026	36.160
2027	34.836
2028	32.979
2029	32.144