Year	% of GDP
1995	4.596094846725466
1996	4.49445009231567
1998	4.45031023025513
1999	4.50699996948242
2000	4.16604995727539
2001	4.587885141372681
2002	4.44545984268188
2003	4.920700073242185
2004	4.782285213470455
2005	4.92684984207153
2006	4.90767002105713
2007	4.63328981399536
2008	4.83990001678467
2009	4.968065023422239
2010	5.09588003158569
2011	4.922635078430175
2012	4.89862012863159
2013	4.972404956817625
2014	4.925795078277585
2015	4.90953016281128
2016	4.8159499168396
2017	4.735224962234501
2018	4.676679849624636
2019	4.63002014160156
2020	4.8696000576019305
2021	4.96000003814697