1974

0.0

2009

3.7

2006

6.0

1981

5.4

2009

0.0

1987

6.6

2001

6.2

1986

5.6

1991

6.1

1979

4.2

1979

4.8

1953

6.4

2004

6.0

1966

6.8

1998

6.5

0.0

1975

2.0

2017

7.0

2024

5.3