29 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:07:03 20:20:51 22 4 Jun 22, 2018 4 instances 04:37:43 10:56:43 11:09:01 23:50:47 23 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan 6 2 Jan 6, 2017 2 instances 16:45:45 16:48:19 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:44:57 13:08:29 13:29:39 18:54:42 19:13:45 19:37:38 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 12:53:20 20:03:45 Nov Dec 25 26 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 11:19:57 11:25:31 11:27:06 30 2 Sep 30, 2016 2 instances 20:57:58 21:05:15 Oct 3 3 Oct 3, 2016 3 instances 14:01:43 14:01:43 14:03:34 Nov Dec 29