Año | Dato |
1985
|
13,77
|
1986
|
13,77
|
1987
|
14,33
|
1988
|
14,83
|
1989
|
15,17
|
1990
|
16,20
|
1991
|
17,30
|
1992
|
18,74
|
1993
|
20,06
|
1994
|
20,81
|
1995
|
21,52
|
1996
|
22,28
|
1997
|
23,98
|
1998
|
24,68
|
1999
|
25,64
|
2000
|
26,84
|
2001
|
28,22
|
2002
|
29,18
|
2003
|
28,81
|
2004
|
29,56
|
2005
|
30,63
|
2006
|
137,85
|
2007
|
139,42
|
2008
|
141,38
|
2009
|
144,02
|
2010
|
145,55
|
2011
|
144,69
|
2012
|
144,40
|
2013
|
144,40
|
2014
|
145,34
|
2015
|
147,73
|
2016
|
121,14
|
2017
|
121,14
|
2018
|
116,35
|
2019
|
112,87
|
2020
|
112,73
|
2021
|
112,26
|
2022
|
112,82
|
2023
|
112,46
|
|
|
|