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 04:38:09 04:38:17 04:38:26 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:52:48 09:56:45 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 12:40:48 13:25:01 13:36:24 14:08:23 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 16:21:58 16:36:54 16:42:32 16:45:26 30 2 Sep 30, 2016 2 instances 22:52:06 22:52:07 Oct 3 3 Oct 3, 2016 3 instances 14:57:34 15:05:29 15:23:02 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16