1998

6.0

1993

6.5

1971

5.2

1954

6.0

2003

5.1

1982

7.4

1961

5.6

2006

6.6

1976

5.0

2009

7.3

1958

6.6

2014

8.1

2005

4.9

2019

6.1

1960

6.7

1974

7.3

1998

7.2

1973

7.6

1965

6.1

1955

4.8