32 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 7 Jun 21, 2018 7 instances 09:37:29 09:47:04 09:47:07 09:47:51 10:27:17 10:38:31 21:38:00 Jul 4 Aug Sep Oct Nov Dec 2017 - 14 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 07:30:40 07:50:17 07:53:01 08:05:11 08:23:47 08:27:16 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 06:03:37 06:40:54 Nov 2 2 Nov 2, 2017 2 instances 19:59:26 19:59:28 8 2 Nov 8, 2017 2 instances 18:53:48 18:53:50 Dec 25 2 Dec 25, 2017 2 instances 08:17:14 09:00:42 2016 - 7 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:00:10 10:05:47 10:05:50 10:07:06 30 2 Sep 30, 2016 2 instances 18:53:21 18:59:11 Oct Nov Dec 29