Year	% (cumulative)
1999	92.8378829956055
2007	95.3301162719727
2008	95.4080505371094
2009	95.466682434082
2010	95.5677337646484
2011	95.5558395385742
2012	95.5698623657227
2013	95.5950164794922
2014	95.6078186035156
2015	95.6084899902344
2016	95.6413116455078
2017	95.5160903930664
2018	95.4853973388672
2019	95.5190582275391
2021	98.2327194213867
2022	98.6476593017578
2023	98.1940307617188