Table 5.

LSM mean values for the 13 years.

Parameter	Mean	SD
(1) 2007	7.18	2.73
(2) 2008	15.20	15.14
(3) 2009	14.03	14.05
(4) 2010	14.52	14.73
(5) 2011	13.61	14.08
(6) 2012	14.28	14.58
(7) 2013	13.20	13.13
(8) 2014	13.04	12.62
(9) 2015	11.89	11.71
(10) 2016	13.07	11.31
(11) 2017	12.55	11.38
(12) 2018	11.35	10.26
(13) 2019	10.58	10.21