23 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 04:09:29 04:09:32 04:09:53 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:48:36 09:52:32 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 12:11:03 12:49:18 13:10:48 13:36:56 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 16:18:51 16:33:40 16:39:22 16:42:21 30 Oct 3 3 Oct 3, 2016 3 instances 14:54:13 15:02:17 15:19:51 Nov Dec 29