2000

6.9

1955

7.2

2002

7.4

1982

5.7

1998

5.1

1990

6.0

1972

7.9

2014

6.5

1994

8.0

1966

7.2

1990

6.1

2011

6.9

1983

6.9

2012

7.2

1953

7.3

1963

7.0

2010

6.5

2020

7.1

1939

7.5

1952

6.7