Año | Dato |
1985
|
26,28
|
1986
|
26,28
|
1987
|
20,30
|
1988
|
20,92
|
1989
|
21,58
|
1990
|
22,76
|
1991
|
23,62
|
1992
|
25,94
|
1993
|
28,04
|
1994
|
30,57
|
1995
|
54,16
|
1996
|
56,17
|
1997
|
56,46
|
1998
|
57,02
|
1999
|
57,76
|
2000
|
58,96
|
2001
|
55,03
|
2002
|
53,95
|
2003
|
50,48
|
2004
|
51,61
|
2005
|
48,09
|
2006
|
194,95
|
2007
|
175,40
|
2008
|
173,46
|
2009
|
167,66
|
2010
|
173,80
|
2011
|
174,72
|
2012
|
172,55
|
2013
|
174,95
|
2014
|
177,70
|
2015
|
175,66
|
2016
|
144,20
|
2017
|
139,48
|
2018
|
139,32
|
2019
|
139,28
|
2020
|
138,86
|
2021
|
139,58
|
2022
|
139,99
|
2023
|
137,90
|
|
|
|