Año | Dato |
1985
|
53,90
|
1986
|
35,74
|
1987
|
93,08
|
1988
|
62,99
|
1989
|
62,19
|
1990
|
67,81
|
1991
|
67,55
|
1992
|
68,83
|
1993
|
61,61
|
1994
|
62,81
|
1995
|
62,21
|
1996
|
63,36
|
1998
|
67,92
|
1999
|
70,53
|
2000
|
71,10
|
2001
|
73,38
|
2002
|
73,94
|
2003
|
73,35
|
2004
|
71,45
|
2005
|
74,46
|
2006
|
67,85
|
2007
|
67,79
|
2008
|
65,87
|
2009
|
61,77
|
2010
|
61,63
|
2011
|
60,62
|
2012
|
56,31
|
2013
|
55,35
|
2014
|
55,35
|
2015
|
56,47
|
2016
|
57,47
|
2017
|
58,05
|
2018
|
55,88
|
2019
|
57,61
|
2020
|
56,80
|
2021
|
56,87
|
2022
|
56,85
|
|
|
|