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 09:03:14 09:27:47 15:39:51 25 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:09:55 04:13:47 04:14:27 04:18:33 Oct 1 2 Oct 1, 2016 2 instances 13:08:09 13:16:13 4 3 Oct 4, 2016 3 instances 04:09:09 04:10:50 04:11:32 Nov Dec 29