Año | Dato |
1985
|
38,39
|
1986
|
36,07
|
1987
|
36,07
|
1988
|
35,94
|
1989
|
37,37
|
1990
|
40,31
|
1991
|
45,40
|
1992
|
47,01
|
1993
|
50,09
|
1994
|
52,95
|
1995
|
56,21
|
1996
|
59,69
|
1998
|
67,72
|
1999
|
71,03
|
2000
|
75,40
|
2001
|
81,56
|
2002
|
85,85
|
2003
|
89,78
|
2004
|
95,49
|
2005
|
99,02
|
2006
|
100,31
|
2007
|
103,30
|
2008
|
108,13
|
2009
|
111,29
|
2010
|
112,36
|
2011
|
114,71
|
2012
|
115,75
|
2013
|
117,92
|
2014
|
116,88
|
2015
|
116,16
|
2016
|
115,52
|
2017
|
115,97
|
2018
|
117,92
|
2019
|
120,35
|
2020
|
123,47
|
2021
|
125,27
|
2022
|
127,48
|
2023
|
130,78
|
|
|
|