1982

0.0

2000

7.9

2015

5.0

1991

8.3

1996

7.9

1984

8.0

1917

5.2

1995

7.0

1928

6.8

1984

8.4

1993

7.5

1930

7.3

1988

6.2

1927

8.1

1959

7.8

1994

8.3

1932

7.8

2004

7.4

1995

6.5

2006

6.9