Año | Dato |
1985
|
36,31
|
1986
|
37,42
|
1987
|
37,90
|
1988
|
39,85
|
1989
|
40,93
|
1990
|
40,66
|
1991
|
42,65
|
1992
|
45,33
|
1993
|
49,92
|
1994
|
52,40
|
1995
|
57,75
|
1996
|
61,89
|
1998
|
67,80
|
1999
|
71,84
|
2000
|
78,08
|
2001
|
87,05
|
2002
|
96,21
|
2003
|
108,16
|
2004
|
118,36
|
2005
|
131,41
|
2006
|
140,83
|
2007
|
145,20
|
2008
|
157,15
|
2009
|
161,94
|
2010
|
168,14
|
2011
|
173,71
|
2012
|
178,24
|
2013
|
178,57
|
2014
|
176,85
|
2015
|
181,28
|
2016
|
183,00
|
2017
|
183,35
|
2018
|
184,38
|
2019
|
187,09
|
2020
|
190,95
|
2021
|
199,50
|
2022
|
204,93
|
2023
|
210,04
|
|
|
|