25 instances from 5 years 2020 - 3 instances Jan Feb Mar Apr May Jun Jul 2 Aug Sep Oct Nov 13 14 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 27 Nov Dec 2018 - 4 instances Jan 8 Feb Mar Apr May Jun 21 22 2 Jun 22, 2018 2 instances 09:33:46 20:17:16 Jul Aug Sep Oct Nov Dec 2017 - 9 instances Jan 7 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 06:25:04 06:45:52 23 Jul Aug Sep Oct 2 4 Oct 2, 2017 4 instances 04:11:22 04:15:25 04:17:56 06:21:53 Nov Dec 26 2016 - 7 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:15:06 19:11:58 19:34:33 Oct 3 3 Oct 3, 2016 3 instances 17:45:52 18:13:25 19:08:57 Nov Dec 29