1996

6.4

1934

0.0

1980

7.3

1997

6.6

1999

6.3

2002

6.0

1964

5.7

1978

5.0

1966

4.4

2007

5.8

2005

7.1

2014

0.0

1999

7.1

1987

6.9

1972

0.0

1932

7.4

2007

6.5

2005

5.4

2003

5.9

2002

7.1