Year	% of GDP
1997	27.109118270323396
1998	22.564219529176828
1999	18.1790891922618
2000	24.662704263423024
2001	29.67510608490853
2002	30.92044508872245
2003	38.237586347013405
2004	41.78988663241171
2005	37.809029478628936
2006	36.51368763875805
2007	39.670929407591345
2008	41.16852280483862
2009	34.66263093511775
2010	24.275404596788476
2011	23.669394086634277
2012	19.267365719377484
2013	18.62993167863955
2014	16.044448026676818
2015	13.766291352924878
2016	12.333065708629958
2017	20.748065492633817
2018	26.841053930230395
2019	28.29800250683806
2020	24.17831559251101
2021	23.676722982595564
2022	27.017595892140704
2023	26.4794207316653