season,vax_coverage_pct
2009-10,19.1
2010-11,37.8
2011-12,37.2
2012-13,38.0
2013-14,40.4
2014-15,41.7
2015-16,39.5
2016-17,39.8
2017-18,35.5
2018-19,41.7
2019-20,45.4
2020-21,44.8
2021-22,42.8
2022-23,42.2
2023-24,40.2
2024-25,36.8