1978

6.1

2001

6.2

2013

0.0

0.0

1981

4.1

1979

6.5

1951

6.5

1998

0.0

2019

8.0

2011

6.8

2024

0.0

1992

8.7

1979

6.8

1995

7.0

2006

0.0

1988

7.4

1964

7.4

1968

6.7

1989

3.5

2004

6.9