21 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan 19 Feb Mar Apr May Jun Jul 1 Aug Sep Oct Nov 14 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct 26 Nov Dec 2017 - 2 instances Jan 8 Feb Mar Apr May Jun 23 Jul Aug Sep Oct Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2016 2 instances 11:13:05 19:21:52 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:52:54 15:27:18 20:23:47 20:40:42 Oct 1 2 Oct 1, 2016 2 instances 21:25:51 22:42:02 4 3 Oct 4, 2016 3 instances 16:00:11 16:34:53 19:14:48 Nov Dec 30