2005

7.2

1994

7.5

1993

7.2

1991

2.0

1983

0.0

2009

8.0

2002

6.1

2003

5.3

2000

6.6

1982

7.3

2008

3.2

2020

3.0

2003

5.1

1982

6.1

1963

4.0

1926

0.0

1969

1.0

2006

7.6

1953

4.6

1994

5.4