15 instances from 3 years 2017 - 1 instance Jan 6 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 13 instances Jan Feb 17 Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 14:00:28 17:51:01 22:32:51 21 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 15:15:32 15:59:36 17:29:50 30 Oct 3 3 Oct 3, 2016 3 instances 14:37:15 14:50:29 15:35:08 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16