Year	Percent of GDP (Units)
1990	60.213
1991	63.915
1992	58.096
1993	57.231
1994	60.421
1995	62.215
1996	63.312
1997	58.716
1998	55.616
1999	55.406
2000	54.193
2001	57.380
2002	60.044
2003	63.897
2004	67.099
2005	72.249
2006	73.679
2007	72.728
2008	75.643
2009	87.799
2010	100.214
2011	114.403
2012	129.035
2013	131.430
2014	132.941
2015	131.179
2016	131.506
2017	126.143
2018	121.481
2019	116.608
2020	134.897
2021	124.548
2022	112.418
2023	99.000
2024	94.668
2025	90.750
2026	87.020
2027	83.493
2028	80.117
2029	76.879