19 instances from 3 years 2018 - 1 instance Jan Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 Jul Aug Sep Oct 3 5 Nov Dec 29 2016 - 13 instances Jan Feb Mar Apr May Jun 21 22 2 Jun 22, 2016 2 instances 10:43:48 11:53:49 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:16:51 10:17:04 10:17:05 10:21:36 30 2 Sep 30, 2016 2 instances 18:13:08 18:17:37 Oct 3 3 Oct 3, 2016 3 instances 10:19:20 10:19:42 10:35:58 Nov Dec 29