21 instances from 5 years 2020 - 1 instance Jan Feb Mar Apr May Jun Jul 24 Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:48:54 01:49:12 01:49:42 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 16:34:35 16:40:43 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:11:46 04:11:47 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 08:41:08 08:45:29 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:21:05 08:26:40 08:26:40 08:26:49 30 2 Sep 30, 2016 2 instances 16:21:44 16:26:56 Oct 3 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 17