Año | Dato |
1985
|
45,34
|
1986
|
42,84
|
1987
|
43,05
|
1988
|
43,03
|
1989
|
43,97
|
1990
|
43,97
|
1991
|
43,82
|
1992
|
44,29
|
1993
|
44,98
|
1994
|
45,25
|
1995
|
46,05
|
1996
|
46,58
|
1998
|
47,25
|
1999
|
46,70
|
2000
|
47,23
|
2001
|
48,55
|
2002
|
48,93
|
2003
|
51,49
|
2004
|
53,57
|
2005
|
56,49
|
2006
|
57,58
|
2007
|
60,17
|
2008
|
60,99
|
2009
|
60,99
|
2010
|
61,50
|
2011
|
60,71
|
2012
|
61,50
|
2013
|
60,89
|
2014
|
57,66
|
2015
|
57,80
|
2016
|
58,24
|
2017
|
63,78
|
2018
|
63,69
|
2019
|
63,48
|
2020
|
63,65
|
2021
|
67,41
|
2022
|
67,16
|
2023
|
67,22
|
|
|
|