14 instances from 5 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 - 6 instances Jan Feb Mar Apr May Jun 22 5 Jun 22, 2018 5 instances 06:34:43 06:34:46 07:10:55 07:21:59 07:22:02 25 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 25 2 Dec 25, 2017 2 instances 21:46:07 21:46:10 2016 - 4 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 21 2 Oct 21, 2016 2 instances 22:20:42 23:48:42 23 Nov Dec 30