Year	% of GDP
1995	15.665464582024107
1996	19.027466759785185
1997	21.05534412259191
1998	25.650033127419615
1999	22.085545589156194
2000	24.486400941109327
2001	27.851575304776482
2002	27.84728000747053
2003	29.786592752266998
2004	33.08048691492074
2005	35.057530661060966
2006	39.82314164453341
2007	41.55970383154635
2008	35.271298503268255
2009	22.436611605637218
2010	20.343924528886035
2011	25.76400638742269
2012	27.52131808977692
2013	24.349802474920885
2014	23.86269892552219
2015	23.805095253052176
2016	21.164804012593113
2017	22.012873125775887
2018	23.205752327434773
2019	22.823651257590512
2020	21.40235517990989
2021	25.01023720939549
2022	25.036894130693423
2023	22.990661159122244