35 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 5 Jun 21, 2018 5 instances 13:04:06 13:05:45 13:36:19 13:52:18 19:09:19 22 2 Jun 22, 2018 2 instances 02:25:17 10:30:32 27 Jul Aug Sep Oct Nov Dec 2017 - 16 instances Jan 6 2 Jan 6, 2017 2 instances 16:02:51 16:06:12 8 2 Jan 8, 2017 2 instances 01:26:10 01:29:20 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 09:24:29 09:26:12 09:27:32 11:43:14 12:05:42 12:24:32 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 09:05:46 11:56:36 Nov 8 2 Nov 8, 2017 2 instances 20:03:45 20:03:47 Dec 25 2 Dec 25, 2017 2 instances 11:46:36 15:38:42 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:27:27 10:33:01 10:33:02 10:33:15 30 2 Sep 30, 2016 2 instances 19:03:39 19:09:25 Oct 3 3 Oct 3, 2016 3 instances 11:33:58 11:34:06 11:34:27 Nov Dec 30