2000

5.8

1972

0.0

1922

7.1

1985

6.2

1993

7.6

2007

6.2

1998

7.4

1995

6.6

1990

7.8

2004

6.5

1992

3.3

1990

7.7

1996

7.9

1960

8.2

2006

7.2

1965

6.3

2016

5.5

1998

7.5

1990

7.0

1974

7.1