28 instances from 5 years 2020 - 4 instances Jan 18 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 12 13 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 4 instances Jan 4 Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:53:31 11:24:30 19:50:46 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 8 Feb Mar Apr May Jun 26 Jul Aug Sep Oct 9 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 21 22 3 Jun 22, 2016 3 instances 03:35:25 04:09:16 13:00:48 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:26:31 17:53:19 22:57:54 23:17:18 Oct 1 2 4 3 Oct 4, 2016 3 instances 18:48:18 19:13:16 22:20:57 Nov Dec 30