23 instances from 4 years 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 5 Jun 21, 2018 5 instances 12:24:05 12:28:47 12:56:31 13:02:45 13:14:19 22 2 Jun 22, 2018 2 instances 02:14:01 16:10:27 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 21:01:20 21:01:20 7 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 08:47:41 08:49:05 08:50:14 13:59:17 14:39:40 14:48:46 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 08:22:42 14:36:40 Nov Dec 25 2 Dec 25, 2017 2 instances 11:07:36 11:14:12 2016 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 29 30