21 instances from 3 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 20:28:55 20:42:40 20:44:00 22 3 Jun 22, 2018 3 instances 04:47:01 11:18:00 11:30:10 23 Jul Aug Sep Oct Nov Dec 2017 - 9 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 13:06:30 13:30:16 13:51:01 19:15:48 19:34:58 19:58:39 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 5 instances Jan Feb Mar Apr May Jun Jul Aug Sep 30 2 Sep 30, 2016 2 instances 21:34:52 21:40:46 Oct 3 2 Oct 3, 2016 2 instances 14:48:57 14:48:58 4 Nov Dec