1972

6.6

1996

7.8

2009

7.5

2019

6.5

1996

9.5

1994

6.2

1966

6.1

2010

7.0

4.6

1972

6.3

1963

6.0

2000

7.7

2003

6.8

2024

5.9

2010

5.5

6.2

2006

6.1

1985

6.8

1975

6.8