15 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 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 6 Jun 21, 2018 6 instances 12:38:08 12:38:12 13:12:38 13:12:42 13:28:51 13:28:55 22 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 04:43:05 04:43:13 Nov 8 2 Nov 8, 2017 2 instances 15:41:24 15:41:26 Dec 25 2 Dec 25, 2017 2 instances 11:23:18 11:23:22