Year	Percent of GDP (Units)
1993	65.711
1994	68.150
1995	68.325
1996	68.679
1997	67.429
1998	65.131
1999	60.067
2000	50.229
2001	51.763
2002	49.767
2003	49.271
2004	48.476
2005	48.768
2006	43.667
2007	38.977
2008	37.511
2009	40.739
2010	38.066
2011	37.149
2012	37.499
2013	40.161
2014	44.872
2015	43.739
2016	42.255
2017	40.730
2018	39.193
2019	35.581
2020	39.942
2021	36.476
2022	32.940
2023	35.859
2024	35.986
2025	35.020
2026	34.023
2027	33.022
2028	32.250
2029	31.395