2013

0.0

1972

6.3

1971

6.2

1975

5.5

1969

6.5

1960

6.3

1959

6.3

1959

6.2

2004

3.1

2020

5.7

1996

5.4

1974

5.8

1962

6.1

1971

6.1

1970

5.6

1972

6.2

2015

6.7

1993

6.2

1976

5.1

2009

6.0