1992

7.9

1954

8.4

2019

8.5

1985

8.3

1999

8.4

1957

8.5

2004

7.5

1960

8.4

1994

8.7

2004

8.4

2007

7.3

2013

7.5

2014

7.6

1977

8.2

1997

7.9

1976

8.1

1979

8.3

2018

7.4

2019

7.7

2016

7.6