| Año | Dato |
|
1985
|
15,33
|
|
1986
|
15,33
|
|
1987
|
16,43
|
|
1988
|
17,27
|
|
1989
|
17,68
|
|
1990
|
18,56
|
|
1991
|
21,22
|
|
1992
|
21,82
|
|
1993
|
22,51
|
|
1994
|
25,12
|
|
1995
|
25,66
|
|
1996
|
26,98
|
|
1997
|
27,43
|
|
1998
|
27,99
|
|
1999
|
28,49
|
|
2000
|
28,84
|
|
2001
|
52,46
|
|
2002
|
54,25
|
|
2003
|
55,41
|
|
2004
|
53,94
|
|
2005
|
54,23
|
|
2006
|
52,28
|
|
2007
|
50,75
|
|
2008
|
50,43
|
|
2009
|
50,14
|
|
2010
|
50,71
|
|
2011
|
54,10
|
|
2012
|
54,40
|
|
2013
|
95,62
|
|
2014
|
95,69
|
|
2015
|
95,77
|
|
2016
|
96,72
|
|
2017
|
97,02
|
|
2018
|
97,09
|
|
2019
|
97,27
|
|
2020
|
97,66
|
|
2021
|
97,92
|
|
2022
|
98,10
|
|
2023
|
98,38
|
|
2024
|
98,20
|
|
2025
|
98,61
|
|
2026
|
98,68
|
|
|
 |