Year	% of central government expense
1990	89.14731456727218
1991	150.52903753698473
1992	114.91317626062082
2014	72.12598109658346
2015	75.28222132129827
2016	71.67506400715826
2017	71.26746499183852
2018	62.17227492555721
2019	58.350683817425654
2020	74.18315277238058