1971

5.2

2006

6.9

1998

7.3

1975

10.0

1973

5.0

2025

0.0

2008

6.3

1953

6.4

1961

5.8

1959

7.1

1973

0.0

1973

0.0

1970

6.6

1999

6.4

1982

6.5

1967

6.6

1978

6.0

1915

0.0

2011

5.9

1951

7.1