Year	% of population
2000	19.891568484510273
2001	20.13509703307782
2002	20.383602585007285
2003	20.69353184951126
2004	21.06615160241177
2005	21.479264976744318
2006	21.86382925520791
2007	22.353048994689313
2008	22.931147685149405
2009	23.387805323816675
2010	24.04340599487008
2011	24.54699108488693
2012	25.22279259584762
2013	25.90472367552181
2014	26.59828375409719
2015	27.33974811489225
2016	28.327523522935422
2017	29.106785835477158
2018	29.9733212467722
2019	30.76492815655719
2020	31.715876246046182
2021	32.49245834154762
2022	33.224883356277466
