2009

5.9

1996

6.1

1966

6.8

1994

4.3

1964

7.2

2002

6.7

2005

6.2

1999

5.8

1962

4.8

1999

5.5

1990

7.4

1998

5.4

1957

7.7

1986

6.1

1989

8.3

1993

5.6

1993

7.9

1995

7.8

1963

7.2

1991

0.0

1997

4.0

1997

7.7