| Año | Dato |
|
1985
|
51,25
|
|
1986
|
34,52
|
|
1987
|
59,46
|
|
1988
|
52,20
|
|
1989
|
54,94
|
|
1990
|
59,26
|
|
1991
|
58,56
|
|
1992
|
56,54
|
|
1993
|
49,62
|
|
1994
|
51,77
|
|
1995
|
49,64
|
|
1996
|
51,51
|
|
1998
|
51,47
|
|
1999
|
53,41
|
|
2000
|
53,38
|
|
2001
|
53,93
|
|
2002
|
53,88
|
|
2003
|
53,87
|
|
2004
|
53,14
|
|
2005
|
56,40
|
|
2006
|
48,55
|
|
2007
|
48,81
|
|
2008
|
46,28
|
|
2009
|
47,57
|
|
2010
|
42,37
|
|
2011
|
45,49
|
|
2012
|
44,98
|
|
2013
|
42,14
|
|
2014
|
42,54
|
|
2015
|
44,02
|
|
2016
|
43,78
|
|
2017
|
46,07
|
|
2018
|
43,26
|
|
2019
|
44,91
|
|
2020
|
44,38
|
|
2021
|
44,71
|
|
2022
|
44,58
|
|
2023
|
42,57
|
|
2024
|
42,97
|
|
|
 |