29 instances from 4 years 2018 - 1 instance Jan Feb 7 Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 2 Jan 6, 2017 2 instances 20:10:26 20:10:29 Feb Mar Apr May Jun 21 Jul Aug Sep Oct 24 Nov Dec 2016 - 21 instances Jan Feb Mar Apr May Jun 20 Jul Aug Sep 19 8 Sep 19, 2016 8 instances 14:56:36 14:56:39 16:52:29 16:52:32 18:27:29 18:27:32 18:50:48 18:50:51 30 4 Sep 30, 2016 4 instances 21:26:17 21:26:20 22:51:46 22:51:49 Oct 3 6 Oct 3, 2016 6 instances 15:50:52 15:50:56 16:09:06 16:09:09 16:54:49 16:54:52 Nov Dec 29 2 Dec 29, 2016 2 instances 11:08:16 11:08:19 2015 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16 3 Dec 16, 2015 3 instances 12:05:53 14:22:14 15:49:02