1979

6.9

1959

7.9

2000

7.1

2021

7.2

1957

7.8

2001

7.4

1948

4.7

2024

5.3

2018

7.2

1984

8.0

1981

8.1

2004

7.9

1984

7.5

2016

6.5

2018

7.7

1960

7.5

2007

6.7

1951

7.1

1969

0.0

2005

6.5