1997

6.1

2010

6.6

1964

7.1

1972

6.9

1962

6.9

2012

7.2

2003

6.0

1994

5.8

1982

5.8

1971

6.8

1949

7.5

1990

6.0

1995

7.3

1941

7.1

2021

7.2

1965

7.5

2001

7.4

2015

6.0

1972

7.3

1961

6.8