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 03:15:03 03:15:05 03:15:12 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:38:36 08:44:11 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 12:23:44 12:42:58 13:05:10 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:25:35 15:38:27 15:46:18 15:49:49 30 2 Sep 30, 2016 2 instances 21:53:37 21:56:10 Oct 3 3 Oct 3, 2016 3 instances 14:00:27 14:09:10 14:26:04 Nov Dec 29