2001

7.6

2005

7.0

1985

7.8

2015

6.9

2022

4.0

1938

7.4

1955

7.6

1999

7.4

1994

7.0

2006

7.1

2006

7.3

2003

7.2

2014

5.7

1959

7.9

2003

8.3

2004

7.2

2006

7.0

2002

6.9

1979

7.7

1977

7.7