Año | Dato |
1985
|
34,75
|
1986
|
37,67
|
1987
|
24,86
|
1988
|
24,28
|
1989
|
22,45
|
1990
|
22,24
|
1991
|
73,05
|
1992
|
56,26
|
1993
|
60,42
|
1994
|
72,52
|
1995
|
63,59
|
1996
|
69,04
|
1998
|
71,41
|
1999
|
74,01
|
2000
|
78,75
|
2001
|
83,38
|
2002
|
86,17
|
2003
|
87,33
|
2004
|
82,66
|
2005
|
86,07
|
2006
|
73,68
|
2007
|
72,79
|
2008
|
67,58
|
2009
|
69,81
|
2010
|
63,59
|
2011
|
62,49
|
2012
|
63,77
|
2013
|
56,08
|
2014
|
59,50
|
2015
|
62,00
|
2016
|
61,90
|
2017
|
64,11
|
2018
|
61,49
|
2019
|
63,93
|
2020
|
64,37
|
2021
|
61,94
|
2022
|
61,80
|
|
|
|