Año | Dato |
1985
|
15,46
|
1986
|
15,05
|
1987
|
13,27
|
1988
|
16,51
|
1989
|
17,04
|
1990
|
19,47
|
1991
|
19,31
|
1992
|
20,95
|
1993
|
31,25
|
1994
|
29,06
|
1995
|
29,19
|
1996
|
28,17
|
1998
|
29,92
|
1999
|
29,97
|
2000
|
73,56
|
2001
|
93,32
|
2002
|
94,19
|
2003
|
93,48
|
2004
|
89,49
|
2005
|
96,30
|
2006
|
83,50
|
2007
|
79,84
|
2008
|
74,89
|
2009
|
79,45
|
2010
|
64,34
|
2011
|
70,46
|
2012
|
72,03
|
2013
|
63,80
|
2014
|
67,52
|
2015
|
67,72
|
2016
|
67,19
|
2017
|
70,34
|
2018
|
65,58
|
2019
|
65,94
|
2020
|
67,46
|
2021
|
66,69
|
2022
|
65,60
|
|
|
|