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 04:07:51 04:11:42 04:12:22 04:16:19 Oct 1 2 Oct 1, 2016 2 instances 13:05:58 13:14:10 4 3 Oct 4, 2016 3 instances 04:07:07 04:08:47 04:09:30 Nov Dec 29