15 instances from 2 years 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:08:53 10:13:13 Jul Aug Sep Oct 2 Nov Dec 2016 - 11 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 12:11:53 12:41:23 13:12:25 13:34:42 Jul Aug Sep 19 2 Sep 19, 2016 2 instances 17:06:59 17:09:54 30 Oct 3 3 Oct 3, 2016 3 instances 15:12:19 15:30:00 15:47:53 Nov Dec 29