1998

6.0

1990

5.1

1977

4.5

1999

5.5

1992

5.7

1979

6.5

2005

5.3

1999

6.1

2023

7.3

2001

6.2

2020

0.0

1941

6.4

1979

5.1

1978

5.0

2006

3.4

1999

6.5

1987

7.1

1978

7.6

1992

6.6

1993

6.2