9 instances from 2 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 22 7 Jun 22, 2018 7 instances 00:21:36 00:21:39 00:33:53 00:33:57 00:42:17 00:42:21 01:10:22 23 Jul Aug Sep Oct Nov Dec