Year	% of GDP
2000	0.5170557478934168
2001	0.4419531552794312
2002	0.3858872458905688
2003	0.4191178930365259
2004	0.414741997881256
2005	0.3805768080350115
2006	0.3535223383288629
2007	0.36879668394643617
2008	0.40691796390440477
2009	0.4189289333192178
2010	0.46650860197286254
2011	0.49056082724127614
2012	0.6011644539355723
2013	0.5855589842547847
2014	0.5376234930096764
2015	0.5134201096833976
2016	0.5219996484336189
2017	0.5595385125161912
2018	0.5463678828152807
2019	0.5226332484157791
2020	0.5594427697158141
2021	0.5336179295624333
2022	0.48905086752016946
2023	0.4844089920232052