2007

3.7

2020

7.6

2020

8.0

1969

5.7

2015

8.2

1987

5.7

1985

6.0

1959

6.4

2020

5.7

1990

7.5

1993

7.8

1996

7.6

1982

7.5

2002

5.8

1942

6.0

1946

6.0

2019

7.2

2018

6.5

2000

6.2

1972

6.8