24 instances from 5 years 2020 - 4 instances Jan 18 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 12 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 03:53:37 11:24:36 19:50:53 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 8 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 5 Nov Dec 25 29 2016 - 10 instances Jan Feb Mar Apr May Jun 23 3 Jun 23, 2016 3 instances 20:17:08 21:52:18 22:17:05 Jul Aug Sep 22 4 Sep 22, 2016 4 instances 03:31:32 08:16:55 18:16:08 19:23:55 Oct 3 2 Oct 3, 2016 2 instances 13:10:39 17:16:14 Nov Dec 30