Año | Dato |
1985
|
45,02
|
1986
|
45,33
|
1987
|
45,55
|
1988
|
45,94
|
1989
|
46,30
|
1990
|
46,40
|
1991
|
45,57
|
1992
|
46,07
|
1993
|
46,74
|
1994
|
46,93
|
1995
|
47,59
|
1996
|
48,96
|
1998
|
48,21
|
1999
|
47,45
|
2000
|
42,85
|
2001
|
43,93
|
2002
|
43,17
|
2003
|
49,54
|
2004
|
52,55
|
2005
|
54,62
|
2006
|
57,38
|
2007
|
60,62
|
2008
|
64,35
|
2009
|
66,17
|
2010
|
66,42
|
2011
|
66,27
|
2012
|
66,69
|
2013
|
66,63
|
2014
|
66,51
|
2015
|
63,84
|
2016
|
62,85
|
2017
|
61,77
|
2018
|
62,50
|
2019
|
63,53
|
2020
|
64,49
|
2021
|
66,61
|
2022
|
67,71
|
2023
|
69,21
|
|
|
|