Year	% (cumulative)
1991	96.568733215332
2003	99.7318801879883
2006	96.5192642211914
2007	99.4005966186523
2008	98.472297668457
2009	96.9064636230469
2010	96.384147644043
2011	96.8822174072266
2012	99.6436004638672
2013	99.5849380493164
2014	91.4856109619141
2015	92.0675811767578
2016	92.4495697021484
2017	88.4120330810547
2018	93.8091125488281
2019	89.7412643432617
2020	95.152702331543
2021	91.3609771728516
2022	91.7307586669922