25 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 24 27 Jul Aug Sep Oct Nov Dec 2017 - 8 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 06:14:02 06:34:44 Jul Aug Sep Oct 2 4 Oct 2, 2017 4 instances 03:51:51 03:56:03 03:58:30 06:09:10 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 10:19:13 10:52:27 10:57:27 12:28:53 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 13:29:51 13:39:49 13:48:12 13:49:52 30 2 Sep 30, 2016 2 instances 19:56:39 20:00:04 Oct 3 3 Oct 3, 2016 3 instances 12:04:07 12:10:40 12:29:33 Nov Dec 29