28 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 6 Dec 2020 - 3 instances Jan 18 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 13 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:59:12 11:28:42 19:54:55 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:33:31 15:25:09 Jul Aug Sep Oct 2 Nov Dec 26 2016 - 14 instances Jan Feb Mar Apr May Jun 20 21 3 Jun 21, 2016 3 instances 00:57:49 01:01:14 07:08:23 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:23:27 17:16:54 18:52:43 19:15:29 30 2 Sep 30, 2016 2 instances 21:52:59 23:27:13 Oct 3 3 Oct 3, 2016 3 instances 16:16:43 16:34:22 17:29:19 Nov Dec 29