18 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 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 09:49:43 10:00:01 10:00:02 10:34:23 10:45:55 21:42:39 23 Jul Aug Sep Oct Nov Dec 2017 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 06:13:16 06:47:46 Nov 2 2 Nov 2, 2017 2 instances 20:12:00 20:12:03 8 2 Nov 8, 2017 2 instances 19:05:31 19:05:34 Dec 25 2 Dec 25, 2017 2 instances 08:29:58 09:08:12