15 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 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 - 7 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 06:52:47 06:52:51 06:52:54 06:52:57 06:58:16 14:29:05 20:41:36 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 04:44:38 04:44:45 Nov 8 2 Nov 8, 2017 2 instances 14:39:22 14:39:24 Dec 25 2 Dec 25, 2017 2 instances 06:04:36 12:19:45