Year	% of GDP
1991	1.383206763466259
1995	37.16053532976568
1996	35.93507555768118
1997	33.77431280371187
1998	35.58914923072187
1999	37.065656203230986
2000	33.35577467595755
2001	31.317853022490542
2002	30.750724185626737
2003	30.744156334561012
2004	30.610202507624933
2005	30.018680680262396
2006	29.605134671635863
2007	29.227500641106392
2008	34.29581207534163
2009	40.74340978283391
2010	37.87911935762202
2011	34.71014656128082
2012	34.118482428833644
2013	34.22544512168295
2014	33.88628998894965
2015	36.154665891665324
2016	36.294062280007594
2017	35.05175505485656
2018	35.62524024208381
2019	35.90316331579897
2020	41.13309147876614
2021	38.1042476673753
2022	35.61425813274054