1951

5.0

1993

6.5

1974

6.6

1990

7.2

1989

5.8

1987

5.3

1966

6.2

1988

6.5

1965

7.9

2004

6.1

1982

5.4

1979

7.7

1990

6.0

1971

6.0

1974

7.3

1970

7.6

1948

7.4

1967

6.9

1999

4.6

2022

6.3