2011

6.0

1990

8.5

2000

6.3

2004

7.0

2009

7.6

1974

6.5

1997

5.1

1982

7.9

1950

8.1

2014

7.9

1970

6.3

2006

5.6

1979

8.3

1965

8.0

2022

7.1

2005

7.1

2004

7.1

1988

8.1

1943

8.2

1966

6.2