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 20 4 Sep 20, 2016 4 instances 10:18:42 10:25:36 10:33:44 10:34:50 Oct 1 2 Oct 1, 2016 2 instances 17:21:27 17:29:14 4 3 Oct 4, 2016 3 instances 09:37:13 09:50:03 10:46:19 Nov Dec 30