24 instances from 5 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 03:20:57 03:21:00 03:21:07 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:41:44 08:47:21 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 11:53:52 12:15:10 12:41:00 13:04:09 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:28:24 15:41:21 15:49:08 15:52:35 30 2 Sep 30, 2016 2 instances 21:56:27 21:58:59 Oct 3 3 Oct 3, 2016 3 instances 14:03:22 14:11:58 14:28:49 Nov Dec 29