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 7 Jun 21, 2018 7 instances 07:59:05 07:59:08 07:59:57 08:00:01 08:07:35 08:07:39 21:01:44 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:27:21 04:27:31 04:29:02 04:29:13 04:29:36 04:29:47 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:13:22 05:13:33 Nov Dec 25 2 Dec 25, 2017 2 instances 06:54:46 06:54:50