Year	% of GDP
1994	19.01922158667803
1995	20.0803864575286
1996	21.40552975058166
1997	19.95677133880752
1998	19.190950883465934
1999	17.000216968819153
2000	17.765505144046223
2001	16.813329468075615
2002	16.430111985103427
2003	15.625902564694599
2004	15.96882227091687
2005	16.13789806538797
2006	15.89979636143321
2007	16.460631904841875
2008	16.262256837705497
2009	16.0677998234503
2010	16.981908774030753
2011	18.884306193026802
2012	17.612190666672042
2013	16.491792773515904
2014	16.709305681202842
2015	16.110115700863084
2016	14.915242648489727
2017	14.996620643043352
2018	15.322588494067954
2019	15.52967804210036
2020	15.730257100279902
2021	15.443421695369084
2022	16.523639550292824
2023	15.337269399955058