Year	number of cases
2008	18000
2009	990
2010	163000
2011	29000
2012	64000
2013	80
2014	10000
2015	2900
2016	1700
2017	45000
2018	27000
2019	21000
2020	339000
2021	16000
2022	74000
2023	48000