1895

5.4

2000

7.2

1977

7.1

2009

7.9

1985

6.4

1997

7.0

2012

6.0

2001

6.4

1927

7.3

1964

7.0

2009

5.4

1989

5.1

1969

7.7

2025

7.8

1953

8.0

1966

8.1

2001

7.5

1957

8.1

2007

7.1