Año | Dato |
1985
|
14,83
|
1986
|
13,82
|
1987
|
13,82
|
1988
|
13,78
|
1989
|
14,29
|
1990
|
14,29
|
1991
|
13,63
|
1992
|
13,55
|
1993
|
13,90
|
1994
|
13,86
|
1995
|
14,48
|
1996
|
14,83
|
1998
|
14,09
|
1999
|
13,75
|
2000
|
13,67
|
2001
|
16,14
|
2002
|
17,45
|
2003
|
17,80
|
2004
|
19,58
|
2005
|
19,31
|
2006
|
19,38
|
2007
|
19,42
|
2008
|
20,85
|
2009
|
21,58
|
2010
|
22,84
|
2011
|
24,42
|
2012
|
24,77
|
2013
|
25,35
|
2014
|
25,85
|
2015
|
25,77
|
2016
|
25,89
|
2017
|
26,35
|
2018
|
26,85
|
2019
|
27,47
|
2020
|
27,85
|
2021
|
28,58
|
2022
|
29,74
|
2023
|
30,66
|
|
|
|