16 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:24:26 01:24:30 01:24:39 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 07:08:12 07:14:27 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:09:10 14:20:03 14:28:41 14:33:00 30 2 Sep 30, 2016 2 instances 20:36:33 20:39:34 Oct 3 3 Oct 3, 2016 3 instances 12:43:17 12:52:00 13:08:36 Nov Dec