18 instances from 3 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 07:31:00 07:31:02 07:31:03 07:39:23 07:39:26 16:23:18 24 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 03:44:31 03:45:04 03:46:25 03:47:17 03:47:43 03:48:03 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 04:12:12 04:12:52 Nov Dec 25 2 Dec 25, 2017 2 instances 05:46:06 05:46:10