25 instances from 6 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 02:50:20 02:50:23 02:50:31 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:20:55 08:26:45 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 10:01:52 11:05:29 12:00:37 12:45:11 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:11:34 15:23:22 15:31:30 15:35:47 30 2 Sep 30, 2016 2 instances 21:39:33 21:42:12 Oct 3 3 Oct 3, 2016 3 instances 13:46:35 13:55:14 14:12:12 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16