1980

6.8

1994

5.4

2000

4.8

1975

7.5

1986

7.7

2005

6.9

2025

4.3

1948

4.7

2014

5.4

2004

4.8

1976

7.1

1957

6.1

1997

6.0

1988

4.5

2025

0.0

1994

4.3

2007

4.8

1985

5.3

2024

1.3

1995

3.8