17 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 21 6 Jun 21, 2018 6 instances 03:14:59 03:15:01 03:15:02 03:16:37 03:16:40 19:23:30 22 Jul Aug Sep Oct Nov Dec 2017 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 02:23:44 04:28:05 Nov 2 2 Nov 2, 2017 2 instances 16:58:45 16:58:47 8 2 Nov 8, 2017 2 instances 21:45:10 21:45:13 Dec 25 2 Dec 25, 2017 2 instances 03:48:00 03:48:04