1968

7.0

1990

0.0

1943

0.0

1992

6.6

2002

7.0

1988

7.1

1983

7.4

2002

6.2

1995

7.3

2002

6.7

1998

7.2

2000

6.5

1999

6.7

2004

6.1

2007

7.5

2018

7.2

2006

6.2

1997

6.1

2006

5.5

1993

6.4