2002

8.4

2003

6.7

1964

8.1

2014

5.5

1941

8.0

2014

7.1

1968

7.1

2004

6.5

1975

7.8

2002

7.8

1984

6.6

2009

7.0

1974

6.4

1970

6.4

1997

6.5

1982

6.1

2003

5.7

2011

7.1

1965

6.3

5.1