25 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan Feb Mar Apr May Jun 28 Jul 20 2 Jul 20, 2020 2 instances 08:05:01 08:05:21 Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 04:21:27 04:21:30 04:21:50 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:45:15 09:49:15 Jul Aug Sep Oct Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 12:09:10 12:36:35 13:09:01 13:33:45 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 16:17:11 16:32:00 16:37:43 16:40:42 30 Oct 3 3 Oct 3, 2016 3 instances 14:52:35 15:00:39 15:18:12 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16