18 instances from 3 years 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:24:20 11:22:08 Jul Aug Sep Oct Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 14:07:00 17:43:00 22:40:08 21 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 15:47:12 16:30:32 18:03:07 30 2 Sep 30, 2016 2 instances 21:55:34 23:04:34 Oct 3 3 Oct 3, 2016 3 instances 15:09:19 15:23:22 16:06:55 Nov Dec 29