Year	% of GDP
1989	25.08054409313646
1990	23.423606248175286
1991	24.89972517775084
1992	25.00007389618486
1993	23.12062580100256
1994	23.371287049071537
1995	23.718992876476168
1996	24.406410294235403
1997	24.9530755685557
1998	25.504921249312577
1999	22.30242478781148
2000	23.446481632815413
2001	21.78792695020481
2002	23.30423636550752
2003	23.649821827433833
2004	24.248392586291732
2005	25.87408824659899
2006	28.698575368358796
2007	29.073466458862296
2008	28.426596491584366
2009	23.248601160534594
2010	24.092080347805176
2011	23.439339471297377
2012	25.17562664775453
2013	24.045994235014177
2014	22.487286968323936
2015	22.370073728329167
2016	24.13493292749384
2017	25.486392413126573
2018	26.093416990964858
2019	25.068767739024377
2020	26.201977254179766
2021	23.916127192188437
2022	23.981719516830115
2023	23.464708187671633