1967

5.7

2004

8.7

1989

6.6

2002

5.0

2006

6.9

1964

7.7

1960

8.0

1957

7.9

1965

8.1

1952

8.3

1962

6.9

1964

7.0

1968

6.9

1965

6.7

2000

7.3

2011

8.0

2007

0.0

2016

6.5

2013

8.0

2022

7.3