18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:04:46 02:05:11 02:05:44 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:32:38 04:32:38 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 10:48:56 10:54:18 10:54:25 10:56:57 30 Oct 3 3 Oct 3, 2016 3 instances 11:03:46 11:03:48 11:03:50 Nov Dec 29