2001

6.9

1988

7.4

2007

6.3

2006

6.7

2003

7.2

1987

6.6

1994

7.3

2002

6.6

1982

7.6

1931

7.2

1989

7.5

1919

0.0

1931

0.0

1932

5.0

1978

6.7

1956

6.7

2005

6.3

2024

6.2

1980

7.1

1996

6.7