1984

4.6

2007

6.0

1984

8.1

1951

7.6

2000

7.1

1993

7.4

2003

6.1

1998

8.3

1987

7.3

2002

7.0

1983

8.2

2000

6.3

2005

7.0

2014

0.0

1978

6.3

1999

6.8

1999

7.1

2004

6.5

2023

6.4

2003

7.1