Año | Dato |
1985
|
42,83
|
1986
|
47,02
|
1987
|
46,08
|
1988
|
46,15
|
1989
|
45,21
|
1990
|
47,21
|
1991
|
48,83
|
1992
|
48,30
|
1993
|
50,34
|
1994
|
50,34
|
1995
|
52,49
|
1996
|
52,94
|
1998
|
52,98
|
1999
|
53,55
|
2000
|
55,51
|
2001
|
59,06
|
2002
|
62,94
|
2003
|
64,04
|
2004
|
66,23
|
2005
|
70,04
|
2006
|
73,09
|
2007
|
73,06
|
2008
|
78,04
|
2009
|
78,42
|
2010
|
79,63
|
2011
|
80,02
|
2012
|
78,21
|
2013
|
75,63
|
2014
|
75,16
|
2015
|
71,81
|
2016
|
71,66
|
2017
|
71,39
|
2018
|
72,20
|
2019
|
72,55
|
2020
|
75,43
|
2021
|
74,82
|
2022
|
75,16
|
2023
|
75,24
|
|
|
|