21 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 22 26 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 13:25:52 15:43:35 Jul Aug Sep Oct 2 Nov 20 2 Nov 20, 2017 2 instances 19:13:29 20:22:59 Dec 26 2016 - 11 instances Jan Feb Mar Apr May Jun 22 2 Jun 22, 2016 2 instances 20:03:29 22:52:02 23 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 17:12:20 17:33:24 19:08:53 19:31:36 30 2 Sep 30, 2016 2 instances 23:43:12 23:47:36 Oct 3 2 Oct 3, 2016 2 instances 17:06:19 18:01:41 Nov Dec