1961

8.0

7.8

2012

7.9

1967

7.5

1983

6.6

2010

7.0

2019

6.5

1993

7.7

1928

8.0

2015

6.6

2003

6.5

1957

7.9

1961

7.5

2000

7.6

1996

9.5

1957

8.1

2016

7.4

1998

7.8