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 09:05:12 09:50:48 15:44:09 20:32:48 25 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:08:20 04:12:11 04:12:51 04:16:49 Oct 1 2 Oct 1, 2016 2 instances 13:06:27 13:14:38 4 3 Oct 4, 2016 3 instances 04:07:36 04:09:16 04:09:58 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16