2007

5.9

1997

8.4

1996

6.7

2007

6.7

2001

6.8

1994

6.8

1970

5.0

2014

10.0

2017

7.6

1983

4.0

1969

6.6

1994

5.5

1976

6.4

1948

7.5

1988

6.6

1972

6.9

2005

6.2

2004

6.3

2021

6.2

2002

5.8