22 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 Dec 2019 - 1 instance Jan Feb Mar Apr May Jun 22 Jul Aug Sep Oct Nov Dec 2018 - 3 instances Jan 7 Feb Mar Apr May Jun Jul 11 13 Aug Sep Oct Nov Dec 2017 - 3 instances Jan 7 Feb Mar Apr May Jun 22 Jul Aug Sep Oct 10 Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:11:25 10:50:07 12:30:35 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 09:22:56 09:29:14 09:37:51 09:38:52 Oct 1 2 Oct 1, 2016 2 instances 16:27:19 16:34:14 4 3 Oct 4, 2016 3 instances 08:42:43 08:55:40 09:52:11 Nov Dec 30