2016

6.0

1964

6.2

1975

5.8

1978

7.2

1974

6.4

2003

5.7

1970

5.3

1979

5.0

1972

6.0

1993

5.0

2019

6.8

1999

7.3

1941

7.2

1967

6.1

1985

7.6

1996

5.8

1995

7.7

2017

7.3

2000

5.7

1997

6.0