Year	% of GDP
1996	39.772519956095095
1997	42.315980731851596
1998	43.99425227622334
1999	46.83404193925076
2000	44.30296149832701
2001	44.943020575065354
2002	43.776515412108886
2003	41.911476116139276
2004	42.580416888088756
2005	43.55447838311387
2006	43.52340630317336
2007	44.639824013389564
2008	44.69915127198161
2009	45.31722054380665
2010	44.02558797074969
2011	44.25637232589895
2012	44.95468599823981
2013	44.606989503375054
2014	45.78239166347143
2015	46.28444259143963
2016	46.697168516494976
2017	47.96955581167374
2018	47.75562787170338
2019	48.40730092951077
2020	48.347726568197594
2021	47.86323134980342
2022	47.350963528233834
2023	48.000111287249084