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 19:03:09 19:10:18 19:14:01 19:18:19 19:19:30 22 2 Jun 22, 2018 2 instances 04:19:23 17:17:23 27 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan 6 2 Jan 6, 2017 2 instances 16:40:19 16:42:56 8 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 11:38:15 11:44:12 12:00:42 12:06:40 12:19:39 12:25:30 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 11:50:52 11:57:35 Nov 20 Dec 25 2 Dec 25, 2017 2 instances 15:32:52 15:39:40 2016 - 7 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 2 Sep 19, 2016 2 instances 11:15:10 11:22:17 30 2 Sep 30, 2016 2 instances 19:05:25 19:11:13 Oct 3 3 Oct 3, 2016 3 instances 11:36:34 11:36:37 11:36:43 Nov Dec