1995

6.3

1963

7.2

1966

7.6

1976

5.0

1984

0.0

1987

6.7

1957

5.9

2009

6.9

2005

7.1

2008

6.1

1949

7.1

2019

5.7

1985

7.8

2003

8.3

1995

7.3

1959

7.3

1990

8.5

2002

6.7

2007

7.2

1993

5.6