1986

6.0

1982

6.0

1973

6.2

1986

5.8

1987

5.7

1992

5.9

2012

4.9

1979

6.2

1983

6.1

1988

6.2

2022

5.6

1990

5.5

1984

6.8

2018

6.8

1986

6.9

1996

7.6

2016

7.7

2007

7.2

1997

7.9

1977

7.0