11 instances from 2 years 2017 - 2 instances Jan 1 9 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 10:31:23 10:38:35 10:46:24 10:47:33 Oct 2 3 5 3 Oct 5, 2016 3 instances 15:46:00 16:02:28 18:21:41 Nov Dec