18 instances from 3 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 6 Jun 21, 2018 6 instances 07:11:03 07:11:06 07:11:07 07:17:16 07:17:20 20:48:48 22 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 22:17:01 23:48:35 22 23 Jul Aug Sep Oct 3 4 Nov 8 2 Nov 8, 2017 2 instances 21:29:47 21:29:49 Dec 25 2 Dec 25, 2017 2 instances 06:25:39 06:25:42