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 04:18:48 04:18:52 04:19:12 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:46:54 09:50:49 Jul Aug Sep Oct Nov Dec 25 2016 - 12 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 12:32:28 12:55:11 13:17:16 13:28:06 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 16:16:10 16:30:57 16:36:41 16:39:38 30 Oct 3 2 Oct 3, 2016 2 instances 14:59:37 15:17:10 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16