Year	% (cumulative)
1999	88.9321823120117
2007	92.0641098022461
2008	92.1127624511719
2009	92.1664199829102
2010	92.0536422729492
2011	92.0457611083984
2012	92.200080871582
2013	92.2445220947266
2014	92.2673187255859
2015	92.2558670043945
2016	92.2501907348633
2017	92.2036972045898
2018	92.2025375366211
2019	92.2405471801758
2021	94.1585998535156
2022	93.1522674560547
2023	92.6253890991211