Año | Dato |
1985
|
38,87
|
1986
|
37,09
|
1987
|
37,15
|
1988
|
38,45
|
1989
|
38,70
|
1990
|
39,12
|
1991
|
39,49
|
1992
|
40,96
|
1993
|
46,55
|
1994
|
52,77
|
1995
|
57,60
|
1996
|
58,93
|
1998
|
63,14
|
1999
|
65,34
|
2000
|
67,54
|
2001
|
71,84
|
2002
|
83,33
|
2003
|
101,10
|
2004
|
121,75
|
2005
|
136,05
|
2006
|
150,20
|
2007
|
162,68
|
2008
|
174,01
|
2009
|
182,06
|
2010
|
187,73
|
2011
|
189,78
|
2012
|
193,35
|
2013
|
198,67
|
2014
|
200,17
|
2015
|
202,61
|
2016
|
200,23
|
2017
|
201,19
|
2018
|
205,23
|
2019
|
208,35
|
2020
|
211,22
|
2021
|
214,03
|
2022
|
215,42
|
2023
|
221,02
|
|
|
|