Year	% of government expenditure
1997	13.3222303390503
1998	14.1592702865601
1999	16.9598293304443
2000	16.7305107116699
2003	12.4107999801636
2004	11.1968603134155
2005	11.208459854126
2006	11.6937103271484
2009	11.1912002563477
2010	11.8336801528931
2011	13.5649099349976
2012	13.0880002975464
2013	14.0501804351807
2014	15.7180004119873
2015	16.3339996337891
2016	17.1550006866455
2017	13.548999786377
2018	13.0659999847412
2019	14.9980001449585
2020	14.7189998626709
2021	14.6470003128052