8 instances from 2 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 06:54:21 06:54:25 06:54:26 06:59:44 13:44:38 14:30:02 20:42:16 Jul Aug Sep Oct Nov Dec