1996

7.5

2005

7.4

2001

6.5

1984

8.0

2014

7.0

2004

7.5

1991

5.9

2021

0.0

1997

7.5

2007

5.7

1999

6.7

2006

7.0

1995

8.2

1965

6.4

1956

7.8

1992

7.5

2003

2.0

1966

7.3

1999

6.8

1993

7.0