2007

6.9

2010

7.8

2010

4.7

1992

6.1

1957

7.9

1994

7.5

2017

7.6

2014

8.2

1990

7.2

1954

8.3

2019

7.6

1964

7.5

2014

7.9

2004

7.6

1994

8.7

1977

7.7

1952

8.3

1994

8.5

1976

6.4

1972

7.4