14 instances from 3 years 2018 - 1 instance Jan 3 Feb 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 15:47:06 17:57:00 Jul Aug Sep Oct Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:55:28 15:10:26 15:45:13 16:34:51 30 2 Sep 30, 2016 2 instances 22:19:29 22:35:38 Oct 3 3 Oct 3, 2016 3 instances 13:34:16 14:31:24 14:32:58 Nov Dec 29