year,incidents
1996,355
1997,347
1998,293
1999,298
2000,281
2001,280
2002,217
2003,231
2004,217
2005,199
2006,181
2007,188
2008,137
2009,126
2010,150
2011,138
2012,121
2013,135
2014,140
2015,111
2016,113
2017,131
2018,148
2019,158