2003

6.9

2009

4.8

1966

6.7

1966

7.7

1966

8.2

2010

7.8

1972

4.0

1954

7.5

1999

7.1

2006

6.0

1994

8.1

1971

7.2

1956

7.5

1927

7.8

1963

5.9

1961

7.5

2001

6.8

1992

6.0

1928

7.9

1931

8.3