24 instances from 3 years 2018 - 6 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:28:06 20:41:51 22 3 Jun 22, 2018 3 instances 04:46:41 11:17:13 11:29:23 23 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 13:05:39 13:29:25 13:50:11 19:14:58 19:34:08 19:57:49 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:40:55 11:46:35 11:46:45 11:48:09 30 2 Sep 30, 2016 2 instances 21:33:39 21:39:03 Oct 3 2 Oct 3, 2016 2 instances 14:47:02 14:47:03 Nov Dec