19 instances from 3 years 2017 - 2 instances Jan 6 7 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 16 instances Jan Feb 17 Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 09:04:47 15:40:41 15:40:42 20:36:21 25 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:06:43 04:10:33 04:11:14 04:15:06 Oct 1 2 Oct 1, 2016 2 instances 13:04:51 13:13:07 4 3 Oct 4, 2016 3 instances 04:06:02 04:07:41 04:08:25 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16