2017

5.7

2004

6.5

1987

6.8

2006

5.5

1984

5.7

2009

7.1

0.0

1987

6.1

1993

5.0

2002

5.8

1992

7.0

1992

6.6

1978

4.5

1995

6.6

2005

4.8

1989

6.3

2008

6.0

1994

6.1

1962

7.3

1988

4.9