1998

6.9

1965

6.8

2005

7.4

1954

6.7

1959

6.1

2019

5.8

1999

6.8

2004

6.9

2003

7.2

1996

6.3

2002

6.6

2006

6.4

1997

4.6

1955

6.0

1952

5.3

1939

7.2

1946

7.4

2002

7.3

1956

6.6

1991

6.3