21 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:26:52 03:27:27 03:28:21 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 7 2 Jan 7, 2017 2 instances 10:46:53 12:28:35 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:18:33 20:21:24 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 11 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 09:38:31 10:08:53 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:12:24 17:16:02 17:18:41 Oct 1 2 Oct 1, 2016 2 instances 01:39:10 01:44:05 3 3 Oct 3, 2016 3 instances 17:19:18 17:24:08 17:24:41 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18