Año | Dato |
1985
|
24,21
|
1986
|
24,74
|
1987
|
24,90
|
1988
|
25,72
|
1989
|
26,31
|
1990
|
26,95
|
1991
|
28,28
|
1992
|
29,28
|
1993
|
32,62
|
1994
|
35,28
|
1995
|
38,15
|
1996
|
40,67
|
1998
|
43,38
|
1999
|
46,62
|
2000
|
50,82
|
2001
|
55,64
|
2002
|
60,21
|
2003
|
67,36
|
2004
|
74,43
|
2005
|
81,36
|
2006
|
83,59
|
2007
|
87,66
|
2008
|
93,46
|
2009
|
94,41
|
2010
|
97,45
|
2011
|
99,35
|
2012
|
101,14
|
2013
|
100,66
|
2014
|
100,43
|
2015
|
100,13
|
2016
|
99,19
|
2017
|
100,30
|
2018
|
101,46
|
2019
|
103,03
|
2020
|
106,78
|
2021
|
109,38
|
2022
|
110,76
|
2023
|
112,97
|
|
|
|