28 instances from 5 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul 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 7 Jun 21, 2018 7 instances 07:35:10 07:35:14 07:35:19 07:35:23 07:43:38 07:43:41 16:46:57 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 03:47:18 03:47:25 03:49:30 03:49:36 03:50:14 03:50:20 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 04:15:44 04:15:51 Nov Dec 25 2 Dec 25, 2017 2 instances 05:49:35 05:49:39 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 03:08:44 03:14:22 03:14:22 03:14:36 Oct 1 2 Oct 1, 2016 2 instances 19:48:49 19:55:28 4 3 Oct 4, 2016 3 instances 18:32:09 18:39:33 18:49:05 Nov Dec