Year	Percent of GDP (Units)
1991	14.163
1992	17.580
1993	16.410
1994	16.754
1995	15.576
1996	13.376
1997	12.828
1998	11.371
1999	12.761
2000	12.324
2001	12.377
2002	13.609
2003	15.364
2004	17.023
2005	18.314
2006	17.618
2007	17.830
2008	18.084
2009	19.579
2010	19.805
2011	19.030
2012	19.577
2013	18.792
2014	17.289
2015	17.151
2016	16.911
2017	16.573
2018	17.278
2019	17.284
2020	17.441
2021	18.402
2022	19.132
2023	19.093
2024	19.159
2025	19.268
2026	19.347
2027	19.375
2028	19.396
2029	19.397