Year	% of central government expense
1990	140.6945159818039
1995	86.4928287308803
1996	52.989384885504606
1997	48.82628992277834
1998	58.768415091391965
1999	61.67203179041637
2009	81.66413713490141
2010	70.21213759309572
2011	53.22414691298808
2012	59.93789423681341
2013	55.023901347543905
2014	56.44618156833633
2015	106.16606224748222
2016	64.70268732940553
2017	55.9936139964501
2018	55.86905763287344
2019	50.08875839381828
2020	49.76043728086038
2021	51.261240110509284