20 instances from 5 years 2020 - 1 instance Jan Feb Mar Apr May Jun Jul Aug 2 Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:31:48 02:00:25 02:01:17 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 01:35:31 01:37:33 Jul Aug Sep Oct Nov Dec 25 2016 - 11 instances Jan Feb 17 Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 08:31:23 08:47:56 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:21:47 08:24:56 08:25:12 08:25:21 30 2 Sep 30, 2016 2 instances 16:20:29 16:25:43 Oct 3 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16