Year	% of GDP
1995	12.162208826927275
1996	11.815975637898244
1997	14.544358744578236
1998	12.976521954968797
1999	11.411383272832554
2000	12.641904020341155
2001	13.617641909643313
2002	15.125952839174388
2003	16.17596184407492
2004	15.826659639096627
2005	17.042031088483974
2006	16.68659810418458
2007	19.204946196848883
2008	16.517528883207742
2009	10.896822565626705
2010	16.123036047193402
2011	19.277263512460642
2012	20.37026278500946
2013	20.976119521656976
2014	21.441801252010897
2015	20.272725924147945
2016	19.92915788695779
2017	21.49809147191866
2018	22.172378096068336
2019	23.09597631985516
2020	23.863681660352384
2021	24.865365972694516
2022	24.906141013735624
2023	23.52806918672541