18 instances from 4 years 2020 - 1 instance Jan 19 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 5 instances Jan 8 15 Feb Mar Apr May Jun 21 22 27 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 4 12 Feb Mar Apr May Jun 22 Jul 3 Aug Sep Oct Nov Dec 25 2016 - 7 instances Jan Feb Mar Apr May Jun 22 Jul Aug Sep 22 4 Sep 22, 2016 4 instances 01:13:26 01:42:54 01:52:44 02:25:56 Oct 3 2 Oct 3, 2016 2 instances 10:22:22 11:09:15 Nov Dec