18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:04:55 02:05:20 02:05:53 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:32:47 04:32:47 Jul Aug Sep Oct 2 Nov 20 Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:49:06 10:54:27 10:54:34 10:57:07 30 Oct 3 3 Oct 3, 2016 3 instances 11:03:55 11:03:57 11:03:59 Nov Dec 29