30 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 5 Jun 21, 2018 5 instances 19:03:12 19:10:21 19:14:04 19:18:22 19:19:36 22 2 Jun 22, 2018 2 instances 04:19:25 17:17:26 27 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan 6 2 Jan 6, 2017 2 instances 16:40:49 16:43:26 8 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 11:38:18 11:44:16 12:00:46 12:06:44 12:19:42 12:25:33 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 11:50:55 11:57:38 Nov 20 Dec 25 2 Dec 25, 2017 2 instances 15:32:55 15:39:44 2016 - 7 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 2 Sep 19, 2016 2 instances 11:15:38 11:22:44 30 2 Sep 30, 2016 2 instances 19:05:29 19:11:16 Oct 3 3 Oct 3, 2016 3 instances 11:36:41 11:36:42 11:36:48 Nov Dec