21 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 06:56:54 06:56:56 07:02:26 13:46:44 14:31:36 20:43:20 22 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:09:57 04:10:04 04:11:52 04:11:59 04:12:33 04:12:40 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 04:49:48 04:49:56 Nov 8 2 Nov 8, 2017 2 instances 14:45:47 14:45:49 Dec 25 2 Dec 25, 2017 2 instances 06:08:12 12:22:56