20 instances from 5 years 2021 - 1 instance Jan Feb Mar 21 Apr May Jun Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun Jul 24 Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 04:54:55 04:54:56 04:57:57 09:54:32 10:05:02 12:58:59 20:01:52 22 Jul Aug Sep Oct Nov Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:50:08 08:55:34 08:55:36 08:56:35 30 2 Sep 30, 2016 2 instances 17:08:17 17:14:13 Oct 3 3 Oct 3, 2016 3 instances 09:23:25 09:23:37 09:23:58 Nov Dec