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 03:21:27 03:21:31 03:21:37 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:43:37 08:49:19 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 11:52:34 12:15:40 12:39:16 13:00:58 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:30:16 15:43:13 15:50:59 15:54:27 30 2 Sep 30, 2016 2 instances 21:58:19 22:00:49 Oct 3 3 Oct 3, 2016 3 instances 14:05:14 14:13:48 14:30:39 Nov Dec 29