Year	% of GDP
2000	1.4109472
2001	1.25184202
2002	1.28663254
2003	1.50417197
2004	1.43899679
2005	1.39763594
2006	1.72629714
2007	1.73554409
2008	1.83160639
2009	1.90513194
2010	1.85769463
2011	2.14387894
2012	1.89016581
2013	1.80735004
2014	1.7650162
2015	1.70769882
2016	1.32919765
2017	1.1462568
2018	1.15597773
2019	1.04547822
2020	1.07682252
2021	0.96614808