19 instances from 4 years 2020 - 2 instances Jan Feb Mar Apr May Jun 28 Jul 4 Aug Sep Oct Nov Dec 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 05:52:56 05:55:20 05:57:15 06:17:53 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 05:40:15 05:45:24 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 11:23:23 11:27:42 11:28:37 30 Oct 3 3 Oct 3, 2016 3 instances 11:34:10 11:34:10 11:34:14 Nov Dec 29