33 instances from 3 years 2017 - 7 instances Jan 6 2 Jan 6, 2017 2 instances 15:17:11 15:17:12 7 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:25:05 03:27:04 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 03:11:41 16:19:47 Nov Dec 2016 - 23 instances Jan Feb 17 Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:15:50 10:34:09 17:56:47 21 3 Jun 21, 2016 3 instances 00:25:24 03:50:48 05:39:49 24 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 01:12:44 01:44:12 01:49:36 01:49:36 Oct 1 4 Oct 1, 2016 4 instances 10:35:12 10:40:54 14:12:01 15:54:03 4 5 Oct 4, 2016 5 instances 01:16:38 01:41:22 01:41:24 06:09:40 06:16:35 Nov Dec 29 30 2015 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16 17 21