1963

7.9

1996

7.5

1996

7.4

2022

0.0

2012

4.7

1993

7.9

1999

8.4

1988

8.0

2006

7.3

2017

6.1

1994

8.3

1994

7.3

2004

8.0

2003

7.4

1997

6.8

1980

7.0

1978

7.1

1970

7.7

1993

9.0

1990

0.0