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 03:19:43 03:19:46 03:19:53 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:42:15 08:47:55 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 11:51:26 12:18:07 12:38:13 13:02:37 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:28:55 15:41:53 15:49:40 15:53:07 30 2 Sep 30, 2016 2 instances 21:56:59 21:59:29 Oct 3 3 Oct 3, 2016 3 instances 14:03:53 14:12:29 14:29:21 Nov Dec 29