Year	Percent of GDP
2004	30.784
2005	28.662
2006	24.486
2007	25.454
2008	25.592
2009	23.727
2010	22.478
2011	22.307
2012	27.709
2013	25.754
2014	29.457
2015	32.833
2016	28.521
2017	28.166
2018	27.397
2019	28.348
2020	28.54
2021	28.232
2022	27.515
2023	27.259
2024	26.698