2005

7.5

1998

8.3

1982

6.7

2025

6.4

2021

7.3

1988

7.1

1990

6.5

1966

5.7

2001

6.2

2006

4.0

1996

5.9

1996

6.0

2002

5.8

1989

6.8

1993

7.9

1992

6.4

0.0

1977

6.2

2007

6.9

1990

6.5