1983

4.7

1964

7.1

1967

6.6

2009

4.9

2024

3.9

2008

4.1

2004

7.2

0.0

1955

7.0

1982

6.7

1984

5.6

2021

6.9

2002

5.9

2007

6.2

1987

6.2

1965

6.2

2014

7.3

1921

0.0

0.0

1995

6.5