18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:01:44 02:02:08 02:02:42 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:28:22 04:28:22 Jul Aug Sep Oct 2 Nov 20 Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:45:46 10:51:10 10:51:16 10:53:50 30 Oct 3 3 Oct 3, 2016 3 instances 11:00:37 11:00:41 11:00:42 Nov Dec 29