2011

7.1

2021

7.4

2018

6.0

2010

6.6

1993

7.0

2020

7.4

2018

7.1

1970

7.6

1962

7.9

1993

7.3

1967

7.7

1942

5.8

1971

7.1

2002

6.6

1984

7.2

1955

7.2

1985

6.4

1972

6.2

1939

7.5

2010

7.0