Year	% of GDP
2000	4.44684267
2001	5.0041995
2002	4.59563637
2003	4.1293807
2004	4.59777308
2005	4.13416338
2006	4.4061017
2007	4.1298461
2008	3.38117099
2009	3.5476253
2010	3.55879498
2011	3.34921789
2012	3.61913681
2013	3.70787191
2014	3.55791116
2015	3.75701189
2016	3.57613945
2017	3.3407371
2018	3.2427721
2019	3.60361075
2020	4.36274862
2021	3.84550023