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 15:04:20 15:33:20 15:43:19 15:48:25 22 3 Jun 22, 2018 3 instances 03:04:12 10:38:23 10:50:50 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 16:28:25 16:31:48 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:43:13 10:44:46 18:41:12 19:01:33 19:24:13 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:37:13 19:48:07 Nov 8 2 Nov 8, 2017 2 instances 20:50:32 20:50:34 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:48:11 10:53:46 10:53:55 10:54:00 30 2 Sep 30, 2016 2 instances 20:07:47 20:13:34 Oct 3 3 Oct 3, 2016 3 instances 13:02:49 13:02:51 13:02:56 Nov Dec 29