Year	number of cases
2008	525000
2009	363000
2010	141000
2011	685000
2012	129000
2013	324000
2014	152000
2015	66000
2016	500000
2017	135000
2018	113000
2019	87000
2020	19000
2021	121000
2022	11000
2023	17000