31 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 4 Jun 21, 2018 4 instances 15:03:27 15:32:24 15:42:18 15:47:30 22 3 Jun 22, 2018 3 instances 03:03:49 10:37:33 10:49:59 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 16:27:23 16:30:42 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:42:23 10:43:55 18:40:22 19:00:43 19:23:23 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:36:23 19:47:13 Nov 8 2 Nov 8, 2017 2 instances 20:49:21 20:49:24 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:47:19 10:52:54 10:53:03 10:53:08 30 2 Sep 30, 2016 2 instances 20:05:45 20:11:26 Oct 3 3 Oct 3, 2016 3 instances 13:00:55 13:00:55 13:00:56 Nov Dec 29