16 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:17:01 02:17:27 02:18:00 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:12:16 10:12:31 Jul Aug Sep Oct 2 Nov 21 Dec 25 2016 - 7 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 16:24:46 16:29:30 16:29:35 Oct 1 2 Oct 1, 2016 2 instances 00:52:32 00:57:41 3 Nov Dec 29