31 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 15:01:08 15:30:09 15:39:27 15:45:12 22 3 Jun 22, 2018 3 instances 03:02:53 10:35:21 10:47:46 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 16:24:56 16:28:21 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:40:07 10:41:40 18:38:09 18:58:33 19:21:10 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:34:10 19:45:02 Nov 8 2 Nov 8, 2017 2 instances 20:46:18 20:46:20 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:45:02 10:50:37 10:50:46 10:50:51 30 2 Sep 30, 2016 2 instances 20:02:16 20:08:03 Oct 3 3 Oct 3, 2016 3 instances 12:56:06 12:56:09 12:56:11 Nov Dec 29