Year	number of cases
2008	3400
2009	28000
2010	71000
2011	3000
2012	30000
2013	15000
2014	13000
2015	71000
2016	7400
2017	27000
2018	435000
2019	117000
2020	49000
2021	25000
2022	220000
2023	418000