2005

7.5

1998

8.3

1984

6.3

2008

7.3

2007

6.3

1993

7.9

2001

7.0

2006

6.6

1995

5.7

1992

6.4

1997

6.0

1998

7.1

1998

6.7

2000

6.7

1962

5.5

1994

7.7

1969

7.0

1956

7.2

2002

6.4

2019

10.0