1986

7.6

1993

5.5

2014

4.5

1982

2.0

1985

1.0

2015

6.6

2006

4.9

1960

7.4

2008

4.5

2006

4.1

1990

6.3

2006

6.6

2015

6.3

2010

0.0

1995

4.1

2002

5.5

2005

5.3

2008

4.2

1973

5.7

2006

6.0