23 instances from 6 years 2022 - 2 instances Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct 22 Nov Dec 2020 - 3 instances Jan 18 Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov 13 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct 26 Nov Dec 2018 - 4 instances Jan 16 Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 14:24:22 23:26:47 26 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 7 Feb Mar Apr May Jun 21 Jul Aug Sep Oct 2 Nov Dec 26 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 19:13:14 19:18:52 19:35:45 19:41:23 Oct 3 3 Oct 3, 2016 3 instances 17:45:03 18:12:35 19:08:08 Nov Dec 29