Year	number of cases
2009	3323000
2010	611500
2011	429600
2012	1017000
2013	328000
2014	1408000
2015	336000
2016	1103400
2017	633002
2018	544100
2019	489729
2020	408270
2021	736150
2022	33800
2023	69800
