33 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 4 Jun 21, 2018 4 instances 15:07:19 15:36:11 15:46:58 15:51:19 22 3 Jun 22, 2018 3 instances 03:05:27 10:41:15 10:53:40 Jul 4 Aug Sep Oct Nov Dec 2017 - 14 instances Jan 6 2 Jan 6, 2017 2 instances 16:32:18 16:35:28 9 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:46:04 10:47:37 18:44:09 19:04:10 19:27:09 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:40:02 19:50:52 Nov 8 2 Nov 8, 2017 2 instances 20:54:33 20:54:35 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:51:05 10:56:41 10:56:53 10:56:55 30 2 Sep 30, 2016 2 instances 20:15:05 20:20:52 Oct 3 3 Oct 3, 2016 3 instances 13:09:01 13:09:03 13:09:05 Nov Dec 29