22 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 02:46:05 02:46:07 02:46:16 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:14:50 08:20:49 Jul Aug Sep Oct 2 Nov Dec 2016 - 12 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:32:42 11:35:52 11:43:48 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 15:03:56 15:15:38 15:23:37 30 2 Sep 30, 2016 2 instances 21:31:48 21:34:29 Oct 3 3 Oct 3, 2016 3 instances 13:39:00 13:47:38 14:04:32 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16