1937

7.9

1928

8.0

1982

7.6

1959

8.2

1970

4.6

1961

8.2

1968

7.5

2019

6.4

1961

8.0

1957

7.8

2004

6.5

2001

7.4

2001

7.4

1998

8.2

1985

7.8

1966

7.3

2001

7.0

1999

6.8

1992

6.3

2005

7.0