2007

6.5

2006

6.3

2021

8.5

1975

0.0

1970

3.8

2004

6.7

1979

6.0

1973

5.0

1996

7.0

2004

5.3

1972

6.2

2003

6.6

2016

5.1

2005

4.9

1992

7.4

2005

6.4

1991

4.7

1973

3.5

1997

7.6

1930

6.8