22 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 17:39:46 23:16:28 22 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 7 Feb Mar Apr May Jun 22 Jul Aug 30 Sep Oct 3 Nov Dec 26 2016 - 14 instances Jan Feb 17 Mar Apr May Jun 21 23 2 Jun 23, 2016 2 instances 08:40:17 18:29:18 Jul Aug Sep 19 20 3 Sep 20, 2016 3 instances 03:07:27 03:18:02 03:28:54 Oct 1 2 Oct 1, 2016 2 instances 10:06:29 10:07:45 4 3 Oct 4, 2016 3 instances 02:11:01 02:24:26 03:21:20 Nov Dec 29