1952

7.3

2002

5.6

2024

6.5

2004

6.4

1976

5.5

2001

6.9

2001

7.3

2004

6.1

1974

7.7

2025

8.0

1961

7.6

1971

7.6

1999

3.6

1996

7.0

1981

5.9

1987

5.5

2000

7.4

2008

7.5

2006

6.5

1990

6.8