23 instances from 3 years 2018 - 7 instances Jan Feb Mar Apr May Jun 22 7 Jun 22, 2018 7 instances 16:28:18 18:25:38 18:44:39 19:02:21 19:13:19 19:21:32 19:33:02 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 22:16:33 23:48:07 22 23 Jul Aug Sep Oct 3 4 Nov 8 2 Nov 8, 2017 2 instances 21:43:25 21:43:27 Dec 26 2 Dec 26, 2017 2 instances 08:15:35 08:34:41 2016 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep 21 4 Sep 21, 2016 4 instances 04:59:24 05:05:00 05:05:03 05:05:03 Oct 4 2 Oct 4, 2016 2 instances 07:07:24 08:51:08 Nov Dec