Year	number of cases
2008	203000
2009	68000
2010	1000000
2011	1645000
2012	3400
2013	13000
2014	27000
2015	240
2016	90000
2017	50000
2018	4600
2019	61000
2020	13000
2021	9400
2022	22000
2023	2800