2002

8.4

2018

8.0

2005

6.5

2003

6.8

1998

8.1

2016

0.0

1963

7.4

1951

5.7

2001

6.8

2007

7.0

2008

6.2

1987

6.9

1985

6.7

1986

7.4

2006

6.6

1999

7.1

2005

6.7

1952

6.4

1978

0.0

1959

7.0