23 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:27:24 03:27:59 03:28:53 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 7 2 Jan 7, 2017 2 instances 10:47:25 12:29:06 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:19:04 20:21:55 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 09:36:45 10:00:04 10:07:09 12:30:10 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:12:55 17:16:34 17:19:13 Oct 1 2 Oct 1, 2016 2 instances 01:39:41 01:44:36 3 3 Oct 3, 2016 3 instances 17:19:50 17:24:40 17:25:12 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18