18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:37:01 02:37:35 02:38:17 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 22:37:47 22:37:47 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:29:32 10:29:55 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:07:27 17:11:08 17:13:46 Oct 1 2 Oct 1, 2016 2 instances 01:11:30 01:16:29 3 3 Oct 3, 2016 3 instances 16:51:50 16:56:32 16:57:04 Nov Dec 29