Año | Dato |
1985
|
8,89
|
1986
|
11,99
|
1987
|
12,18
|
1988
|
12,73
|
1989
|
13,89
|
1990
|
15,05
|
1991
|
16,25
|
1992
|
17,50
|
1993
|
20,28
|
1994
|
24,86
|
1995
|
28,43
|
1996
|
29,58
|
1998
|
33,80
|
1999
|
36,44
|
2000
|
39,07
|
2001
|
42,59
|
2002
|
48,47
|
2003
|
57,59
|
2004
|
60,93
|
2005
|
63,56
|
2006
|
65,60
|
2007
|
64,95
|
2008
|
66,30
|
2009
|
67,87
|
2010
|
69,60
|
2011
|
71,00
|
2012
|
72,59
|
2013
|
72,87
|
2014
|
73,48
|
2015
|
73,34
|
2016
|
73,99
|
2017
|
75,30
|
2018
|
76,61
|
2019
|
78,77
|
2020
|
81,85
|
2021
|
85,03
|
2022
|
85,97
|
2023
|
87,98
|
|
|
|