2007

7.1

2007

8.1

1975

7.0

2008

4.3

1989

5.2

1988

6.1

1983

5.8

1973

7.9

1978

4.7

2007

7.3

1984

5.1

2005

6.5

1990

0.0

1998

8.1

0.0

2002

8.4

1932

7.8

1947

7.1

2024

0.0

2011

5.9