21 instances from 3 years 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 05:03:28 05:04:09 05:06:27 05:09:38 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 11:10:27 11:33:08 11:38:27 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:42:25 10:46:50 10:46:53 10:47:34 30 2 Sep 30, 2016 2 instances 18:49:48 18:55:19 Oct 3 3 Oct 3, 2016 3 instances 10:52:45 10:52:53 10:52:54 Nov Dec 29