35 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 15:08:08 15:36:56 15:47:48 15:52:04 22 3 Jun 22, 2018 3 instances 03:05:45 10:41:56 10:54:20 23 Jul Aug Sep Oct Nov Dec 2017 - 15 instances Jan 6 2 Jan 6, 2017 2 instances 16:33:14 16:36:17 7 2 Jan 7, 2017 2 instances 01:48:39 01:50:15 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:46:42 10:48:14 11:49:04 18:44:46 19:27:46 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:40:39 19:51:29 Nov 8 2 Nov 8, 2017 2 instances 20:55:24 20:55:26 Dec 25 2 Dec 25, 2017 2 instances 13:40:45 15:10:21 2016 - 11 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:51:43 10:57:20 10:57:31 10:57:34 30 2 Sep 30, 2016 2 instances 20:16:18 20:22:05 Oct 3 3 Oct 3, 2016 3 instances 13:10:11 13:10:15 13:10:15 Nov Dec 29 2 Dec 29, 2016 2 instances 07:01:17 16:24:22