1982

7.3

2002

6.1

2000

6.6

2003

5.3

2005

7.2

1982

6.0

1994

7.5

1982

6.1

1993

7.2

1963

4.0

1926

0.0

1969

1.0

2006

7.6

2008

3.2

1986

0.0

1991

2.0

2002

4.7

2020

3.0

1985

6.1

2009

8.0