12 instances from 2 years 2017 - 2 instances Jan 6 7 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:10:33 04:14:25 04:15:05 04:19:13 Oct 1 2 Oct 1, 2016 2 instances 13:09:00 13:17:03 4 3 Oct 4, 2016 3 instances 04:09:57 04:11:38 04:12:19 Nov Dec 29