17 instances from 4 years 2018 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 22 Oct Nov Dec 2017 - 1 instance Jan 6 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 14 instances Jan Feb 17 Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:09:29 10:09:57 10:15:21 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:16:04 10:17:52 10:20:15 10:20:22 30 2 Sep 30, 2016 2 instances 18:23:49 18:29:34 Oct 3 3 Oct 3, 2016 3 instances 10:15:57 10:15:57 10:15:57 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16