30 instances from 3 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 15:10:11 15:38:54 15:50:05 15:54:04 22 3 Jun 22, 2018 3 instances 03:06:33 10:43:51 10:56:15 Jul 7 Aug Sep Oct Nov Dec 2017 - 16 instances Jan 6 2 Jan 6, 2017 2 instances 16:35:26 16:38:33 10 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:48:44 10:50:15 18:46:46 19:06:37 19:29:46 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:42:39 19:53:27 Nov 8 2 Nov 8, 2017 2 instances 20:58:07 20:58:09 20 21 Dec 25 26 2016 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep 29 30 Oct 3 3 Oct 3, 2016 3 instances 13:13:58 13:13:58 13:14:00 Nov Dec 29