1991

7.0

1993

6.0

1994

5.4

2012

7.4

2013

8.0

1953

7.9

1972

8.7

2000

8.0

1983

6.4

1990

6.9

1976

8.1

2008

8.5

2022

7.5

1997

8.3

1951

7.7

1985

8.2

1997

6.4

2016

7.3

1950

8.3

1962

7.0