1995

8.2

1930

6.1

1944

7.0

1957

7.2

2006

6.7

1979

6.7

2001

7.5

1956

7.1

1957

7.2

1984

7.2

1971

5.8

2011

8.8

2015

6.6

2023

7.7

1981

6.3

2000

7.9

2007

7.4

1999

7.8

2002

7.1

2005

6.7