2000

8.4

1993

8.4

0.0

2004

5.8

1987

5.7

2005

8.8

2007

6.5

2004

8.2

2006

7.7

1999

7.8

1994

7.0

1982

6.8

2001

8.4

7.0

2001

7.5

1995

7.4

1964

7.7

1986

7.4

2020

8.0

2021

7.1