Año | Dato |
1985
|
72,91
|
1986
|
64,28
|
1987
|
67,57
|
1988
|
68,44
|
1989
|
49,62
|
1990
|
65,57
|
1991
|
66,25
|
1992
|
67,55
|
1993
|
57,10
|
1994
|
60,16
|
1995
|
58,18
|
1996
|
61,06
|
1998
|
61,32
|
1999
|
64,75
|
2000
|
65,11
|
2001
|
65,84
|
2002
|
66,02
|
2003
|
66,17
|
2004
|
64,75
|
2005
|
69,52
|
2006
|
58,92
|
2007
|
59,94
|
2008
|
65,71
|
2009
|
53,40
|
2010
|
51,59
|
2011
|
61,29
|
2012
|
51,69
|
2013
|
52,43
|
2014
|
52,22
|
2015
|
53,45
|
2016
|
54,99
|
2017
|
55,28
|
2018
|
52,97
|
2019
|
54,16
|
2020
|
54,22
|
2021
|
52,40
|
2022
|
52,46
|
|
|
|