27 instances from 6 years 2020 - 1 instance Jan 18 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 3 instances Jan Feb 27 Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 22 26 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 7 Feb Mar Apr May Jun 22 Jul Aug Sep Oct 3 Nov Dec 26 2016 - 15 instances Jan Feb 18 Mar Apr May Jun 20 21 3 Jun 21, 2016 3 instances 03:11:16 03:32:28 06:33:47 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 01:58:11 02:06:59 02:19:40 02:26:52 Oct 1 2 Oct 1, 2016 2 instances 09:00:21 09:00:35 4 3 Oct 4, 2016 3 instances 01:04:23 01:18:24 02:14:47 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 17