1961

8.5

1984

6.6

1986

7.2

1954

7.0

1999

7.4

1994

7.1

1927

8.1

2004

8.0

1981

7.9

1999

7.6

1997

8.3

2000

7.3

1994

8.5

1975

6.6

1987

7.8

1979

6.5

2025

0.0

2013

6.5

2018

4.3

1967

6.2