Año | Dato |
1985
|
2,78
|
1986
|
3,99
|
1987
|
0,22
|
1988
|
0,00
|
1989
|
0,00
|
1990
|
0,00
|
1991
|
0,00
|
1992
|
41,26
|
1993
|
45,24
|
1994
|
43,79
|
1995
|
45,53
|
1996
|
61,09
|
1998
|
48,46
|
1999
|
49,30
|
2000
|
48,89
|
2001
|
50,02
|
2002
|
52,44
|
2003
|
54,76
|
2004
|
52,53
|
2005
|
63,39
|
2006
|
58,94
|
2007
|
60,53
|
2008
|
56,86
|
2009
|
53,16
|
2010
|
59,63
|
2011
|
50,85
|
2012
|
51,39
|
2013
|
51,15
|
2014
|
53,51
|
2015
|
56,27
|
2016
|
54,71
|
2017
|
55,65
|
2018
|
53,03
|
2019
|
54,23
|
2020
|
53,98
|
2021
|
54,59
|
2022
|
56,38
|
|
|
|