1971

7.6

2004

6.1

1990

6.8

1983

5.0

1961

7.6

1974

7.7

0.0

2006

6.5

2024

7.3

1981

5.9

1987

5.5

2003

4.3

1987

7.1

2007

3.8

2003

6.0

2001

7.3

2001

6.9

1973

5.8

1992

4.3

1999

3.6