24 instances from 4 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 6 Jun 21, 2018 6 instances 08:29:31 08:29:32 08:30:29 08:38:21 08:39:18 21:13:36 22 24 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:31:24 04:32:10 04:33:20 04:33:51 04:34:03 04:34:38 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:18:03 05:18:39 Nov 2 2 Nov 2, 2017 2 instances 19:01:45 19:01:48 8 2 Nov 8, 2017 2 instances 17:56:49 17:56:51 Dec 25 2 Dec 25, 2017 2 instances 07:10:48 07:11:24