1988

6.1

1953

7.0

2001

5.8

1990

6.4

1950

7.1

2007

5.8

2004

6.0

2016

7.0

1952

7.9

1958

7.6

1974

6.6

1999

7.5

1956

7.1

1988

6.4

2001

6.1

2007

6.5

2012

6.1

1972

7.9

2004

6.2

1962

6.9