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 03:27:56 03:28:00 03:28:08 03:28:12 03:29:26 19:28:48 22 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 02:22:42 02:22:48 02:24:48 09:18:56 09:19:33 09:20:53 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 02:43:02 08:56:27 Nov 8 2 Nov 8, 2017 2 instances 21:28:26 21:28:28 Dec 25 2 Dec 25, 2017 2 instances 04:01:08 04:01:11