17 instances from 2 years 2017 - 3 instances Jan 7 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 2 Nov Dec 2016 - 14 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:38:06 10:38:52 10:49:06 21 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 19:33:04 19:38:37 19:55:34 20:01:37 Oct 1 2 Oct 1, 2016 2 instances 02:09:41 02:15:09 3 3 Oct 3, 2016 3 instances 18:16:41 18:32:24 19:27:41 Nov Dec 29