8 instances from 1 year 2018 - 8 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 20:33:16 20:47:01 20:48:24 22 4 Jun 22, 2018 4 instances 04:48:47 11:22:11 11:34:20 23:50:28 23 Jul Aug Sep Oct Nov Dec