18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:46:12 01:46:29 01:46:56 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 2 Jan 6, 2017 2 instances 16:29:25 16:38:17 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:09:12 04:09:19 Jul Aug Sep Oct Nov Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 18:45:36 18:51:05 18:51:45 19:11:38 Oct 1 2 Oct 1, 2016 2 instances 03:23:06 03:29:16 3 3 Oct 3, 2016 3 instances 19:06:07 19:12:34 19:15:35 Nov Dec 29