19 instances from 4 years 2019 - 1 instance Jan Feb 18 Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 01:45:52 01:47:39 Jul Aug Sep Oct Nov Dec 2016 - 14 instances Jan Feb 17 Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 08:33:18 10:02:51 14:15:56 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:04:53 10:05:23 10:09:38 11:28:06 30 Oct 3 4 Oct 3, 2016 4 instances 09:16:21 10:04:56 10:21:11 11:36:53 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16