23 instances from 6 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 04:28:37 04:28:38 04:28:57 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:42:53 09:46:57 Jul Aug Sep Oct Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:35:26 11:36:22 11:39:54 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:07:38 15:19:20 15:27:18 15:31:13 30 2 Sep 30, 2016 2 instances 21:35:32 21:38:13 Oct 3 3 Oct 3, 2016 3 instances 13:42:41 13:51:18 14:08:13 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16