1973

7.4

1954

7.1

2008

6.8

1999

6.6

2020

6.6

1992

6.3

2006

5.4

2016

6.9

2000

6.6

1958

6.9

1985

8.0

1957

0.0

2007

6.0

1982

7.0

1991

7.1

2000

5.8

1987

6.9

2020

3.8

1995

7.3

2023

7.1