11 instances from 2 years 2017 - 1 instance Jan 7 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 21 4 Sep 21, 2016 4 instances 20:24:34 20:54:17 20:57:18 21:12:56 Oct 2 3 5 3 Oct 5, 2016 3 instances 15:46:26 16:02:54 18:22:07 Nov Dec 30