Año | Dato |
1985
|
18,44
|
1986
|
18,44
|
1987
|
18,47
|
1988
|
12,70
|
1989
|
13,08
|
1990
|
13,87
|
1991
|
14,82
|
1992
|
15,67
|
1993
|
16,69
|
1994
|
17,31
|
1995
|
17,91
|
1996
|
28,62
|
1997
|
29,39
|
1998
|
30,01
|
1999
|
32,08
|
2000
|
34,18
|
2001
|
32,21
|
2002
|
41,12
|
2003
|
44,15
|
2004
|
48,01
|
2005
|
46,81
|
2006
|
46,48
|
2007
|
152,13
|
2008
|
156,53
|
2009
|
167,41
|
2010
|
164,57
|
2011
|
182,92
|
2012
|
182,35
|
2013
|
183,27
|
2014
|
184,96
|
2015
|
185,05
|
2016
|
142,54
|
2017
|
128,22
|
2018
|
120,24
|
2019
|
117,16
|
2020
|
118,56
|
2021
|
119,03
|
2022
|
119,06
|
2023
|
118,28
|
|
|
|