30 instances from 3 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 15:08:49 15:37:35 15:48:38 15:52:43 22 3 Jun 22, 2018 3 instances 03:06:01 10:42:33 10:54:58 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 16:33:54 16:37:01 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:47:20 10:48:51 18:45:23 19:05:14 19:28:23 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:41:15 19:52:05 Nov 8 2 Nov 8, 2017 2 instances 20:56:14 20:56:16 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:52:22 10:57:58 10:58:10 10:58:12 30 2 Sep 30, 2016 2 instances 20:17:18 20:23:07 Oct 3 3 Oct 3, 2016 3 instances 13:11:11 13:11:17 13:11:17 Nov Dec 29