2014

6.2

1965

6.8

1964

7.1

1971

6.8

2010

6.6

1962

6.9

1967

6.5

2020

7.0

1997

6.1

1995

5.7

1965

6.7

1941

7.1

2008

5.2

2000

7.2

1988

5.8

2004

7.1

2021

7.2

1999

5.6

1972

6.9

1974

7.0