2003

6.1

1991

7.2

1972

7.4

2002

7.7

1997

6.6

1995

6.5

1961

8.1

1952

6.7

1980

6.8

2023

0.0

2018

6.7

1970

2.8

1994

7.3

1949

6.6

1970

0.0

1966

0.0

1969

0.0

1996

5.8

1983

0.0

2021

7.4