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 6 Jun 21, 2018 6 instances 08:51:39 08:58:13 09:01:49 10:06:16 10:17:56 21:21:21 22 2 Jun 22, 2018 2 instances 02:05:25 05:32:32 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2017 4 instances 04:45:40 07:47:11 08:06:01 08:09:29 Jul Aug 29 Sep Oct 2 2 Oct 2, 2017 2 instances 05:31:52 06:23:30 Nov 2 2 Nov 2, 2017 2 instances 19:18:32 19:18:34 8 2 Nov 8, 2017 2 instances 18:13:42 18:13:45 Dec 25 2 Dec 25, 2017 2 instances 07:32:31 08:40:57 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:37:25 09:43:01 09:44:26 30 2 Sep 30, 2016 2 instances 18:09:50 18:15:36 Oct 3 3 Oct 3, 2016 3 instances 10:29:01 10:29:04 10:29:07 Nov Dec