20 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 03:58:02 03:58:05 03:58:09 03:58:09 03:58:12 19:38:53 22 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 02:36:09 02:36:10 02:38:10 09:22:19 09:22:57 09:24:17 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 03:04:56 09:01:32 Nov 8 2 Nov 8, 2017 2 instances 21:28:31 21:28:33 Dec 25 2 Dec 25, 2017 2 instances 04:27:02 04:27:05