Year	Percent of GDP (Units)
1998	67.759
1999	68.370
2000	75.881
2001	62.182
2002	56.600
2003	51.521
2004	51.728
2005	43.843
2006	18.354
2007	13.804
2008	11.153
2009	11.256
2010	13.989
2011	15.047
2012	14.874
2013	17.472
2014	20.707
2015	31.620
2016	32.108
2017	36.539
2018	38.335
2019	41.597
2020	44.858
2021	46.784
2022	45.325
2023	41.907
2024	39.231
2025	36.516
2026	34.610
2027	32.950
2028	31.593
2029	30.671