18 instances from 4 years 2021 - 1 instance Jan Feb Mar 21 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 - 8 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 08:31:27 08:33:07 08:33:10 08:33:56 08:40:50 08:43:18 21:14:19 24 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 16:05:24 16:05:58 Nov 2 2 Nov 2, 2017 2 instances 19:02:29 19:02:31 8 2 Nov 8, 2017 2 instances 17:57:31 17:57:33 Dec 25 2 Dec 25, 2017 2 instances 07:12:20 07:13:27