1997

6.9

1995

7.2

1980

0.0

1985

5.4

2000

6.6

2006

5.4

1958

6.9

1999

6.6

2022

9.0

1963

7.6

1954

7.1

1972

0.0

2004

6.7

2002

5.6

1999

7.3

2000

6.2

2005

6.2

1962

7.9

1992

6.3

1914

0.0