Figures from 2008-09 to 2011-12 are the latest available outturn numbers published in the SPICe budget analysis.
Figures for 2012-13 are from the Scottish Budget 2020-21 outturn.
2018-19 through 2020-21 are the budget numbers presented in the Draft Scottish Budget 2020-21.
To provide a like for like comparison, all figures are shown net of Scottish Parliament and Audit Scotland spending, which for 2018-19, 2019-20 and 2020-21 were £109.6m ,£110.6m and £116.1m respectively.
We have used the Real Terms Deflator from the HMRC GDP Deflator tables that were current when the 2020-21 Draft Budget Document was published. This is in line with the Scottish Government Budget Draft document published in Feb 2020.