2006

7.5

2004

7.3

1990

6.0

1991

6.2

1977

6.0

2005

6.2

1996

6.5

1993

6.9

1989

5.9

1997

0.0

2022

6.6

1996

6.2

1986

6.3

2008

6.8

2016

6.1

2004

5.2

1989

6.8

1991

7.1

2001

8.2

2002

6.8