16 instances from 5 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun Jul 31 Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 06:51:42 06:51:48 06:57:03 06:57:07 13:43:09 14:10:53 20:41:12 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 04:44:07 04:44:14 Nov 8 2 Nov 8, 2017 2 instances 16:14:39 16:14:41 Dec 25 2 Dec 25, 2017 2 instances 06:04:15 12:19:12