1985

6.7

1980

6.8

2009

7.3

2003

7.0

1984

6.5

1982

4.5

1987

0.0

1974

0.0

1972

8.6

2022

7.1

2006

8.2

1984

8.1

1969

7.0

1958

6.7

1990

6.8

1974

7.6

2024

7.0

2014

8.1

2014

7.9

1973

6.9