28 instances from 5 years 2020 - 3 instances Jan 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 7 Feb Mar Apr May Jun 22 23 24 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 7 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 4 Nov Dec 25 27 2016 - 14 instances Jan Feb Mar Apr May Jun 21 22 3 Jun 22, 2016 3 instances 03:19:17 03:53:02 12:58:15 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:33:52 18:01:08 23:04:25 23:23:27 Oct 3 2 Oct 3, 2016 2 instances 13:14:23 17:18:22 4 3 Oct 4, 2016 3 instances 15:49:59 18:15:04 21:41:38 Nov Dec 30