Year	% (cumulative)
1999	16.6429004669189
2013	19.0020294189453
2014	19.0423107147217
2015	19.0708408355713
2016	19.1242008209229
2017	19.1485805511475
2018	19.1929798126221
2019	19.2005405426025
2021	19.3823394775391
2022	18.9726428985596
2023	19.1893405914307