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 15:00:29 15:29:27 15:38:28 15:44:30 22 3 Jun 22, 2018 3 instances 03:02:37 10:34:43 10:47:09 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 16:24:07 16:27:37 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:39:30 10:41:02 18:37:29 18:57:54 19:20:31 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:33:31 19:44:26 Nov 8 2 Nov 8, 2017 2 instances 20:45:28 20:45:30 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:44:24 10:49:59 10:50:08 10:50:14 30 2 Sep 30, 2016 2 instances 20:01:02 20:06:51 Oct 3 3 Oct 3, 2016 3 instances 12:54:16 12:54:18 12:54:25 Nov Dec 29