2006

3.0

2000

4.9

2015

6.8

1971

7.0

1979

6.7

1963

7.5

1999

5.6

2011

7.1

1994

6.9

1982

8.6

1989

8.1

1986

7.2

1977

0.0

1977

0.0

1996

0.0

2004

0.0

1977

5.0

1983

0.0

2017

5.0

1993

6.0