15 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:17:56 02:18:22 02:18:55 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:13:12 10:13:27 Jul Aug Sep Oct Nov Dec 25 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 16:25:41 16:30:27 16:30:30 Oct 1 2 Oct 1, 2016 2 instances 00:53:28 00:58:36 3 2 Oct 3, 2016 2 instances 16:38:36 16:39:10 Nov Dec 29