Year	% of GDP
1997	3.71327996253967
2002	1.65971004962921
2004	1.54411995410919
2005	1.64497005939484
2006	2.24489998817444
2007	2.10469007492065
2008	2.87392997741699
2009	3.14292001724243
2010	2.97662997245789
2011	2.98706007003784
2012	2.56599998474121
2013	2.50616002082825
2014	3.07420992851257
2015	3.28034996986389
2016	3.23707008361816
2017	3.21708989143372
2018	3.2467200756073
2019	3.15060997009277
2020	2.85599994659424
2021	2.58400011062622
2022	2.66622996330261