39 instances from 6 years 2021 - 1 instance Jan Feb Mar 21 Apr May Jun Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun Jul 24 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 6 Jun 21, 2018 6 instances 09:16:09 09:25:21 09:26:14 10:17:35 10:29:22 21:30:20 22 2 Jun 22, 2018 2 instances 04:06:57 05:16:44 Jul Aug Sep Oct Nov Dec 2017 - 17 instances Jan 6 2 Jan 6, 2017 2 instances 14:12:07 14:12:20 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 05:01:51 07:33:37 07:36:23 07:57:05 08:15:54 08:19:22 Jul Aug 29 Sep Oct 2 2 Oct 2, 2017 2 instances 05:47:44 06:33:05 Nov 2 2 Nov 2, 2017 2 instances 19:40:29 19:40:31 8 2 Nov 8, 2017 2 instances 18:35:04 18:35:07 Dec 25 2 Dec 25, 2017 2 instances 07:56:08 08:51:45 2016 - 11 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 09:49:35 09:55:10 09:55:14 09:56:31 30 2 Sep 30, 2016 2 instances 18:32:17 18:38:11 Oct 3 3 Oct 3, 2016 3 instances 10:56:40 10:56:41 10:56:41 Nov Dec 29 2 Dec 29, 2016 2 instances 04:12:35 08:12:19