2007

6.1

1963

6.8

1976

5.9

2006

5.5

1995

6.1

1989

0.0

1978

7.2

1956

7.5

1981

7.4

1942

4.7

1997

7.5

1998

4.4

2006

6.9

2008

5.4

2018

6.1

2018

5.8

2002

5.5

1992

7.3

2006

7.0

1993

6.1