| Año | Dato |
|
1985
|
12,39
|
|
1986
|
12,39
|
|
1987
|
13,03
|
|
1988
|
13,43
|
|
1989
|
13,78
|
|
1990
|
14,52
|
|
1991
|
15,39
|
|
1992
|
15,90
|
|
1993
|
16,89
|
|
1994
|
17,48
|
|
1995
|
18,09
|
|
1996
|
21,84
|
|
1997
|
22,42
|
|
1998
|
23,65
|
|
1999
|
24,07
|
|
2000
|
23,47
|
|
2001
|
38,79
|
|
2002
|
38,52
|
|
2003
|
38,44
|
|
2004
|
39,08
|
|
2005
|
39,21
|
|
2006
|
39,33
|
|
2007
|
39,37
|
|
2008
|
40,33
|
|
2009
|
40,82
|
|
2010
|
39,81
|
|
2011
|
40,07
|
|
2012
|
36,91
|
|
2013
|
81,41
|
|
2014
|
81,36
|
|
2015
|
80,49
|
|
2016
|
80,78
|
|
2017
|
80,75
|
|
2018
|
81,94
|
|
2019
|
77,84
|
|
2020
|
76,26
|
|
2021
|
76,28
|
|
2022
|
76,39
|
|
2023
|
76,34
|
|
2024
|
76,27
|
|
2025
|
76,41
|
|
2026
|
76,64
|
|
|
 |