Year	% of GDP
1995	4.76711988449097
1996	4.84522008895874
1997	5.45043992996216
1998	6.11644983291626
2001	5.84758996963501
2002	5.80007982254028
2003	5.11418008804321
2004	5.17428016662598
2005	4.87839984893799
2006	4.82572984695435
2007	4.59521007537842
2008	4.83990001678467
2009	5.58523988723755
2010	5.29786014556885
2011	5.11343002319336
2012	4.75802993774414
2013	4.60233020782471
2014	4.48657989501953
2015	4.2271900177002
2016	4.004310131073
2017	3.81220006942749
2018	3.89289999008179
2019	3.96757006645203
2020	4.51255989074707
2021	4.75