Year	% of population
2011	29.6769780620893
2012	29.8117274895065
2013	29.9452524440773
2014	30.0775522444434
2015	30.2086259214107
2016	30.3380145058316
2017	30.4660261567791
2018	30.5923531843541
2019	30.7168434063761
2020	30.8394963300283
2021	30.9601568246174
2022	31.0788286850691
