16 instances from 2 years 2017 - 2 instances Jan 6 7 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 14 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 09:03:53 15:36:36 15:38:30 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:09:17 04:13:09 04:13:49 04:17:50 Oct 1 2 Oct 1, 2016 2 instances 13:07:21 13:15:29 4 3 Oct 4, 2016 3 instances 04:08:25 04:10:06 04:10:48 Nov Dec 29