1981

7.9

1984

7.3

1985

5.0

2002

6.1

2024

8.0

2004

6.9

2003

7.2

2022

0.0

1971

7.4

2004

6.0

2018

6.6

1958

7.6

1979

5.0

1984

6.2

1995

5.8

1939

7.6

1998

6.1

1938

4.5

2001

7.0

1991

6.3