23 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:14:15 03:14:18 03:14:26 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:38:21 08:43:55 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 12:22:01 12:45:28 13:06:30 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:25:19 15:38:11 15:46:02 15:49:33 30 2 Sep 30, 2016 2 instances 21:53:21 21:55:54 Oct 3 3 Oct 3, 2016 3 instances 14:00:11 14:08:54 14:25:48 Nov Dec 29