11 instances from 2 years 2017 - 1 instance Jan 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 10:18:13 10:25:07 10:33:15 10:34:21 Oct 1 2 Oct 1, 2016 2 instances 17:20:45 17:28:32 4 3 Oct 4, 2016 3 instances 09:36:31 09:49:21 10:45:37 Nov Dec 30