23 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:26:36 03:27:11 03:28:04 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 7 2 Jan 7, 2017 2 instances 10:46:37 12:28:18 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:18:16 20:21:08 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 09:36:38 10:00:01 10:07:28 12:30:22 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:12:08 17:15:47 17:18:25 Oct 1 2 Oct 1, 2016 2 instances 01:38:54 01:43:49 3 3 Oct 3, 2016 3 instances 17:19:03 17:23:52 17:24:25 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18