1985

6.7

1984

8.1

1974

7.5

2002

7.9

1984

6.5

1960

4.1

1967

6.7

1980

7.3

1989

8.1

2019

7.0

2022

7.4

2004

7.8

2016

7.6

2007

7.3

2007

7.2

2011

10.0

1959

5.6

2007

7.6

1987

6.5

1958

6.6