23 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:26:45 03:27:21 03:28:14 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 7 2 Jan 7, 2017 2 instances 10:46:47 12:28:28 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:18:26 20:21:17 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 09:37:07 10:00:10 10:07:31 12:30:38 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:12:17 17:15:56 17:18:35 Oct 1 2 Oct 1, 2016 2 instances 01:39:04 01:43:59 3 3 Oct 3, 2016 3 instances 17:19:12 17:24:02 17:24:34 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18