27 instances from 6 years 2020 - 1 instance Jan 19 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 03:22:50 03:35:59 05:48:44 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 02:16:03 02:25:00 02:37:28 02:44:40 Oct 1 2 Oct 1, 2016 2 instances 09:18:23 09:18:24 4 3 Oct 4, 2016 3 instances 01:22:17 01:36:13 02:32:37 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 17