1951

0.0

1954

4.9

1944

8.0

1961

6.1

2003

6.0

2007

5.3

2006

6.6

2008

5.7

1988

7.1

1964

6.2

1967

6.5

2004

5.9

2005

6.6

1970

6.6

1998

7.3

2016

4.9

1953

0.0

2005

6.6

1979

6.2

2002

6.0