1897

7.1

1979

7.0

1980

4.8

1951

3.1

1909

4.4

1909

6.0

1943

5.2

1948

5.0

1956

0.0

1995

4.1

2000

6.4

1990

5.6

2004

6.2

2002

7.7

2008

5.5

1997

6.7

2002

7.0

1999

6.5

1996

6.7

1998

6.5