14 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 7 Jun 21, 2018 7 instances 03:18:09 03:18:09 03:18:13 03:19:47 03:19:51 13:47:25 19:24:34 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 Nov 2 2 Nov 2, 2017 2 instances 16:33:25 16:33:28 Dec 25 2 Dec 25, 2017 2 instances 03:50:41 03:50:44