19 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 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 22 7 Jun 22, 2018 7 instances 03:07:09 03:07:13 03:16:03 03:16:06 03:58:05 03:58:09 06:09:38 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 08:38:14 08:38:24 11:55:44 11:55:55 12:14:49 12:14:59 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 15:08:19 15:08:29 Nov Dec 25 2 Dec 25, 2017 2 instances 19:10:15 19:10:19