30 instances from 6 years 2022 - 2 instances Jan Feb Mar Apr May Jun 25 Jul Aug Sep Oct 21 Nov Dec 2020 - 5 instances Jan 18 Feb Mar Apr May Jun 29 Jul Aug Sep Oct Nov 12 13 18 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:52:31 10:46:53 19:10:11 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:16:58 15:10:16 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 12 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 09:29:32 11:36:06 11:43:03 11:57:19 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:01:42 09:27:19 09:42:23 30 2 Sep 30, 2016 2 instances 16:57:40 17:26:46 Oct 3 2 Oct 3, 2016 2 instances 09:32:48 09:43:37 Nov Dec 29