Year	% of expense
2014	0.8029329750867722
2015	1.653994032762674
2016	0.746564204987552
2017	0.696768964942386
2018	0.40470855911706866
2019	0.3661305495212268
2020	0.3100958449915006
2021	0.313336545765885
2022	1.136916254938579