20 instances from 6 years 2023 - 1 instance Jan Feb Mar Apr May 17 Jun Jul Aug Sep Oct Nov Dec 2022 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 30 Oct Nov Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 12 26 Nov Dec 2017 - 12 instances Jan Feb Mar Apr May Jun 21 Jul Aug Sep 13 3 Sep 13, 2017 3 instances 14:13:05 14:42:57 15:20:22 14 5 Sep 14, 2017 5 instances 16:03:48 16:08:14 16:12:38 16:21:32 16:44:50 25 Oct Nov 8 2 Nov 8, 2017 2 instances 09:03:06 11:22:38 Dec 2016 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 30 Oct Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16