1989

7.9

2006

5.5

2024

7.6

1987

4.6

2010

7.1

1968

6.9

2003

6.1

1963

6.8

2004

9.9

1933

7.7

1947

6.3

2005

4.1

2001

4.9

1922

6.2

1978

7.3

1924

7.1

1994

7.4

1935

7.4

1998

6.3

1987

7.3