1990

4.5

1976

7.8

2007

6.6

1991

7.4

2001

7.4

1996

6.9

1982

7.2

1999

6.5

1929

7.4

2002

8.0

1960

8.4

2004

7.3

2006

8.0

1974

4.2

2024

7.0

2017

5.5

2003

8.3

1986

8.0

1980

8.2

2004

7.5