Año | Dato |
1985
|
8,59
|
1986
|
8,38
|
1987
|
8,38
|
1988
|
8,42
|
1989
|
8,49
|
1990
|
8,47
|
1991
|
8,65
|
1992
|
8,70
|
1993
|
8,97
|
1994
|
9,32
|
1995
|
9,52
|
1996
|
9,71
|
1998
|
9,34
|
1999
|
10,79
|
2000
|
10,75
|
2001
|
10,89
|
2002
|
10,86
|
2003
|
10,93
|
2004
|
10,69
|
2005
|
10,36
|
2006
|
12,59
|
2007
|
13,66
|
2008
|
13,70
|
2009
|
13,29
|
2010
|
13,42
|
2011
|
13,29
|
2012
|
13,10
|
2013
|
12,67
|
2014
|
12,04
|
2015
|
11,64
|
2016
|
11,33
|
2017
|
11,20
|
2018
|
11,13
|
2019
|
11,14
|
2020
|
11,55
|
2021
|
11,80
|
2022
|
11,72
|
2023
|
11,64
|
|
|
|