Año | Dato |
1985
|
23,47
|
1986
|
23,38
|
1987
|
23,33
|
1988
|
23,29
|
1989
|
23,29
|
1990
|
23,89
|
1991
|
24,68
|
1992
|
24,54
|
1993
|
25,00
|
1994
|
25,79
|
1995
|
26,16
|
1996
|
27,59
|
1998
|
27,41
|
1999
|
26,67
|
2000
|
26,81
|
2001
|
26,81
|
2002
|
27,31
|
2003
|
26,57
|
2004
|
25,74
|
2005
|
35,97
|
2006
|
39,63
|
2007
|
42,41
|
2008
|
44,40
|
2009
|
46,53
|
2010
|
50,12
|
2011
|
52,52
|
2012
|
54,97
|
2013
|
55,95
|
2014
|
56,04
|
2015
|
55,53
|
2016
|
56,22
|
2017
|
57,29
|
2018
|
58,86
|
2019
|
58,82
|
2020
|
59,51
|
2021
|
63,17
|
2022
|
62,80
|
2023
|
63,81
|
|
|
|