10 instances from 3 years 2020 - 2 instances Jan 23 Feb Mar Apr May Jun Jul Aug Sep Oct Nov 21 Dec 2018 - 6 instances Jan 6 Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:11:51 12:44:26 17:25:25 22 2 Jun 22, 2018 2 instances 18:24:48 18:34:33 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 8 Nov Dec 26