2001

5.9

2017

7.6

1998

6.3

2004

6.8

1950

6.6

1967

7.0

1923

6.8

1990

6.3

2001

6.7

1942

7.1

1999

5.7

1981

7.8

1959

6.2

1995

7.7

2002

5.4

1979

7.4

2005

5.2

1992

5.4

1994

7.4