20 instances from 5 years 2020 - 3 instances Jan 22 Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov 21 Dec 2019 - 3 instances Jan Feb Mar Apr May Jun 22 Jul Aug Sep 18 Oct 26 Nov Dec 2018 - 1 instance Jan 12 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 1 9 Feb Mar Apr May Jun 26 Jul Aug 29 Sep Oct Nov Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:47:02 09:08:56 09:13:39 09:30:53 Oct 1 2 4 3 Oct 4, 2016 3 instances 18:08:17 18:36:43 21:34:03 Nov Dec