1961

0.0

2021

4.8

1970

7.0

1994

8.5

1972

6.2

1993

7.2

1979

7.7

1923

7.5

1977

7.7

1964

7.3

1994

6.8

2000

7.0

1998

6.1

2004

7.5

1961

7.3

1963

7.0

1964

7.0