2004

7.3

2007

7.4

2007

7.2

1973

7.1

1964

6.0

2019

5.6

1932

7.0

2006

8.0

1977

7.1

2019

3.3

1963

0.0

1987

6.9

1988

6.7

1968

4.2

1994

6.7

1984

7.6

1994

8.1

1972

0.0

2009

7.4

1966

4.5