10 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun Jul Aug 4 Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 07:17:04 11:54:12 12:04:32 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 04:22:12 04:23:59 04:24:36 Jul Aug Sep Oct 2 Nov Dec 25