20 instances from 4 years 2020 - 2 instances Jan Feb Mar Apr May Jun Jul 2 Aug Sep Oct Nov 16 Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 28 2 Jun 28, 2018 2 instances 00:25:10 01:28:36 29 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 7 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 11:59:28 12:56:49 Jul Aug Sep Oct 4 Nov Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:18:41 14:53:58 19:48:31 20:06:42 Oct 1 2 Oct 1, 2016 2 instances 20:50:30 22:05:21 4 3 Oct 4, 2016 3 instances 15:24:19 15:57:28 18:38:54 Nov Dec 30