Año | Dato |
1985
|
26,10
|
1986
|
29,84
|
1987
|
29,96
|
1988
|
30,24
|
1989
|
30,91
|
1990
|
31,42
|
1991
|
35,71
|
1992
|
36,93
|
1993
|
38,43
|
1994
|
41,61
|
1995
|
42,76
|
1996
|
45,08
|
1998
|
48,62
|
1999
|
51,34
|
2000
|
53,54
|
2001
|
56,65
|
2002
|
60,31
|
2003
|
63,78
|
2004
|
67,95
|
2005
|
70,47
|
2006
|
70,39
|
2007
|
75,47
|
2008
|
76,34
|
2009
|
81,14
|
2010
|
83,49
|
2011
|
84,19
|
2012
|
83,92
|
2013
|
85,84
|
2014
|
83,72
|
2015
|
84,43
|
2016
|
86,62
|
2017
|
87,05
|
2018
|
87,64
|
2019
|
91,08
|
2020
|
94,44
|
2021
|
97,54
|
2022
|
98,12
|
2023
|
101,64
|
|
|
|