26 instances from 6 years 2020 - 1 instance Jan 19 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 2 instances Jan Feb 27 Mar Apr May Jun Jul 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 03:39:50 05:10:33 05:53:05 Jul Aug Sep 19 2 Sep 19, 2016 2 instances 23:50:06 23:57:33 20 2 Sep 20, 2016 2 instances 00:11:47 00:18:56 Oct 1 2 Oct 1, 2016 2 instances 06:50:56 06:52:32 3 2 Oct 3, 2016 2 instances 22:56:06 23:10:27 4 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 17