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 04:20:33 04:20:36 04:20:56 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:47:19 09:51:13 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 12:34:33 12:56:45 13:30:43 13:32:17 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 16:20:53 16:35:47 16:41:28 16:44:23 30 2 Sep 30, 2016 2 instances 22:50:58 22:51:01 Oct 3 3 Oct 3, 2016 3 instances 14:56:29 15:04:24 15:21:58 Nov Dec 29