1998

6.4

1999

6.8

1962

7.3

1988

7.2

1997

7.5

1993

5.0

1983

5.8

2006

6.0

2006

7.1

1978

5.8

2013

4.9

0.0

2024

5.3

1971

6.1

1965

4.7

1973

6.0

1992

6.2

1964

6.1

1993

4.8

2005

6.5