Año | Dato |
1985
|
8,25
|
1986
|
7,92
|
1987
|
7,92
|
1988
|
7,83
|
1989
|
7,83
|
1990
|
7,33
|
1991
|
6,92
|
1992
|
7,58
|
1993
|
7,33
|
1994
|
7,67
|
1995
|
8,50
|
1996
|
8,08
|
1998
|
8,00
|
1999
|
7,50
|
2000
|
7,08
|
2001
|
7,33
|
2002
|
9,00
|
2003
|
10,75
|
2004
|
10,67
|
2005
|
11,17
|
2006
|
12,50
|
2007
|
12,25
|
2008
|
11,83
|
2009
|
13,00
|
2010
|
15,67
|
2011
|
16,19
|
2012
|
15,84
|
2013
|
15,58
|
2014
|
15,06
|
2015
|
14,20
|
2016
|
13,59
|
2017
|
13,51
|
2018
|
12,90
|
2019
|
12,99
|
2020
|
14,03
|
2021
|
13,68
|
2022
|
14,37
|
2023
|
14,20
|
|
|
|