20 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:39:34 01:40:17 01:40:55 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 01:41:27 01:42:14 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 12 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 08:31:34 09:27:03 21 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:41:08 08:42:29 08:47:56 08:48:51 30 Oct 3 3 Oct 3, 2016 3 instances 09:13:08 09:13:09 09:13:11 Nov Dec 29