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 07:25:01 07:25:02 07:25:05 07:32:28 07:32:31 16:03:24 24 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 03:35:59 03:36:09 03:36:22 03:36:32 03:36:47 03:36:57 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 04:05:10 04:05:21 Nov Dec 25 2 Dec 25, 2017 2 instances 05:39:00 05:39:04