1979

6.1

2008

5.5

2018

6.2

2021

0.0

1979

6.9

1914

6.5

1968

5.8

1957

8.3

2007

7.2

1985

6.0

1956

7.1

1957

7.2

1984

7.2

2006

6.6

2006

8.0

1995

8.2

1999

7.8

1931

8.1

1940

7.2

2003

6.5