1996

4.6

1997

4.7

1996

3.4

1999

5.3

1971

5.7

1993

7.0

2019

6.3

2005

0.0

2011

7.0

2000

4.8

1985

2.0

2002

4.0

2019

0.0

1976

3.0

2005

3.6

2018

10.0

1979

6.0

1971

4.6

1977

5.0

1981

5.0