15 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:15:56 02:16:22 02:16:55 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:11:07 10:11:25 Jul Aug Sep Oct 2 Nov 21 Dec 25 2016 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 16:23:41 16:28:24 16:28:29 Oct 1 3 Nov Dec 29