22 instances from 5 years 2020 - 3 instances Jan 18 Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov 13 Dec 2019 - 1 instance Jan Feb Mar 5 Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 04:06:34 07:11:50 07:24:30 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:41:40 04:03:28 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:18:50 10:19:03 10:19:04 10:23:36 30 2 Sep 30, 2016 2 instances 18:15:06 18:19:33 Oct 3 3 Oct 3, 2016 3 instances 10:21:18 10:21:40 10:37:56 Nov Dec 29