30 instances from 5 years 2021 - 1 instance Jan Feb Mar 21 Apr May Jun Jul Aug Sep Oct Nov Dec 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 7 Jun 21, 2018 7 instances 04:21:31 04:21:34 04:22:34 13:00:47 13:33:50 13:49:56 19:47:40 22 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2017 4 instances 02:59:33 03:09:38 09:25:20 09:26:40 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 03:26:17 09:04:17 Nov 2 2 Nov 2, 2017 2 instances 18:17:10 18:17:44 8 2 Nov 8, 2017 2 instances 17:15:01 17:15:36 Dec 25 2 Dec 25, 2017 2 instances 04:50:17 05:03:25 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 12:10:44 12:16:21 12:16:28 12:17:34 30 2 Sep 30, 2016 2 instances 22:20:46 22:26:40 Oct 3 2 Oct 3, 2016 2 instances 15:37:29 15:40:02 Nov Dec