Year	% of GDP
1998	7.079262167170584
1999	6.723580966542751
2000	8.263297699669781
2001	7.865443287307902
2002	8.683184783574793
2003	9.663484311337003
2004	10.571484247563765
2005	14.447056198484724
2006	16.211194125460622
2007	21.300415489987817
2008	15.08558013815666
2009	18.22439767962886
2010	18.044489453796235
2011	19.72928314387189
2012	19.613052367292187
2013	21.097679475207578
2014	20.207055223809718
2015	21.165447972203587
2016	26.990577383332447
2017	27.96288037581117
2018	26.660403562226985
2019	28.005051862992953
2020	31.26897882582246
2021	28.09770154688092
2022	22.214017102072912
2023	30.237899265992592