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 10:20:04 10:27:02 10:35:06 10:36:12 Oct 1 2 Oct 1, 2016 2 instances 17:23:27 17:31:15 4 3 Oct 4, 2016 3 instances 09:39:13 09:52:00 10:48:15 Nov Dec 30