27 instances from 3 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 20:25:16 20:38:53 20:39:01 22 4 Jun 22, 2018 4 instances 04:45:24 11:14:28 11:26:38 23:47:38 23 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 13:02:51 13:26:20 13:47:24 19:12:10 19:31:15 19:55:05 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:38:04 11:43:43 11:43:53 11:45:19 30 2 Sep 30, 2016 2 instances 21:29:18 21:33:20 Oct 3 3 Oct 3, 2016 3 instances 14:39:34 14:40:09 14:40:11 Nov Dec