2006

5.5

2013

2.0

1988

6.6

1982

5.9

1987

3.0

1998

7.1

1959

6.9

1975

5.5

1984

6.4

2002

6.2

2008

4.5

1993

6.8

2002

5.9

2003

6.8

1997

6.6

1996

7.4

1998

6.3

1996

6.2

1997

6.3

2023

0.0