10 instances from 3 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 22 23 6 Jun 23, 2018 6 instances 20:32:54 20:32:57 23:46:01 23:46:05 23:53:01 23:53:05 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun 24 2 Jun 24, 2017 2 instances 10:03:31 10:03:34 Jul Aug Sep Oct Nov Dec