22 instances from 4 years 2018 - 2 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 17:40:22 23:17:00 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 08:46:34 18:24:17 Jul Aug Sep 19 2 Sep 19, 2016 2 instances 14:17:35 17:19:22 20 2 Sep 20, 2016 2 instances 03:08:02 03:18:41 Oct 1 2 Oct 1, 2016 2 instances 10:07:04 10:08:21 4 3 Oct 4, 2016 3 instances 02:11:39 02:25:04 03:21:59 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16