2008

4.5

2006

7.6

2004

6.6

1992

7.0

1979

4.9

2013

1.0

2019

6.7

1985

2.5

2002

2.0

1967

6.2

2002

7.1

1999

10.0

2004

4.3

1991

0.0

1997

7.0

1998

6.5

1994

7.7

1994

7.6

1997

7.7

1989

5.1

1983

7.5

2000

7.0

2023

5.0

2007

4.6

1978

5.8

1999

5.0