Year Median collection date (range) Male Female First sample date Second sample date Median release date (range)
2009 19 Jun (13 – 25 Jun) 7 7 26 Jun 7 Aug 12 Aug (11 – 25 Aug)
2010 18 Jun (10 – 24 Jun) 7 12 25 Jun 11 Aug 17 Aug (16 – 19 Aug)
2011 18 Jun (13 – 22 Jun) 10 6 24 Jun 5 Aug 11 Aug (8 – 19 Aug)
2012 20 Jun (14 – 22 Jun) 2 4 22 Jun 10 Aug 23 Aug (20 – 23 Aug)