1980

7.8

2006

5.8

2022

5.9

1991

6.0

1989

0.0

2001

7.8

1991

7.5

2007

6.1

2008

5.4

1970

6.2

2018

6.1

2002

5.9

2006

6.9

2001

7.0

1976

0.0

1997

7.5

2006

7.0

1978

6.5

1968

6.3

2007

0.0