Año | Dato |
1985
|
29,71
|
1986
|
30,90
|
1987
|
31,56
|
1988
|
33,53
|
1989
|
35,22
|
1990
|
37,44
|
1991
|
40,68
|
1992
|
42,17
|
1993
|
45,93
|
1994
|
49,27
|
1995
|
52,07
|
1996
|
54,36
|
1998
|
58,85
|
1999
|
64,44
|
2000
|
69,07
|
2001
|
74,32
|
2002
|
83,02
|
2003
|
92,60
|
2004
|
102,23
|
2005
|
110,30
|
2006
|
116,25
|
2007
|
124,75
|
2008
|
133,79
|
2009
|
139,45
|
2010
|
143,19
|
2011
|
145,96
|
2012
|
149,74
|
2013
|
151,75
|
2014
|
152,04
|
2015
|
153,58
|
2016
|
154,77
|
2017
|
156,97
|
2018
|
160,18
|
2019
|
164,06
|
2020
|
167,98
|
2021
|
171,04
|
2022
|
173,83
|
2023
|
177,92
|
|
|
|