19 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 6 Jun 21, 2018 6 instances 07:27:35 07:27:38 07:27:39 07:35:25 07:35:29 16:29:36 24 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 03:38:29 03:38:39 03:38:52 03:39:03 03:39:17 03:39:28 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 04:08:05 04:08:17 Nov Dec 25 2 Dec 25, 2017 2 instances 05:42:15 05:42:18