1996

4.0

1984

7.2

2005

7.0

2004

7.4

1999

7.6

1998

8.1

2006

7.7

2005

5.6

2002

5.6

2016

5.5

1982

6.2

1977

5.2

1975

2.5

2001

6.4

2023

0.0

2023

10.0

1995

6.2

1989

2.0

1997

5.6

1999

6.8