27 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov 12 13 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 27 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 29 Jul 1 12 Aug Sep Oct Nov Dec 2017 - 4 instances Jan 8 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 7 Nov Dec 31 2016 - 14 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 13:13:36 17:19:51 21:59:19 21 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:09:51 14:17:48 14:45:56 19:43:35 Oct 1 2 Oct 1, 2016 2 instances 21:54:59 22:05:28 4 3 Oct 4, 2016 3 instances 16:44:14 17:12:52 19:50:53 Nov Dec 30