15 instances from 4 years 2020 - 4 instances Jan 18 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 12 13 Dec 2019 - 3 instances Jan Feb Mar Apr May Jun Jul 20 2 Jul 20, 2019 2 instances 10:58:42 13:27:14 Aug Sep Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:39:33 11:16:22 19:42:41 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan Feb Mar Apr May Jun 22 23 Jul Aug Sep Oct 3 Nov Dec 25 27