24 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:16:25 03:16:27 03:16:34 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:36:39 08:42:16 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 11:41:04 12:12:05 12:35:32 12:52:51 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:23:41 15:36:30 15:44:21 15:47:55 30 2 Sep 30, 2016 2 instances 21:51:42 21:54:15 Oct 3 3 Oct 3, 2016 3 instances 13:58:31 14:07:17 14:24:09 Nov Dec 29