15 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:19:56 02:20:22 02:20:56 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:15:15 10:15:30 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 16:27:42 16:32:30 16:32:34 Oct 1 2 Oct 1, 2016 2 instances 00:55:29 01:00:37 3 2 Oct 3, 2016 2 instances 16:40:36 16:41:11 Nov Dec 29