2008

6.1

1997

7.3

1978

0.0

1977

4.5

1968

7.2

1977

0.0

1958

5.5

2003

5.3

1990

7.4

1999

7.9

2014

7.5

2016

4.8

1962

6.0

2010

6.1

1998

5.6

1989

3.6

2004

0.0

2010

6.3

2010

7.0

1965

7.1

1999

7.9