Year	number of cases
2008	43000
2009	700
2010	2000000
2011	4000
2012	7300
2013	3600
2014	985000
2015	1047000
2016	16000
2017	9100
2018	2600
2019	3900
2020	3400
2021	2500
2022	1500
2023	44000