2007

4.8

1998

4.0

1999

5.2

2020

0.0

2017

3.1

1972

7.4

2003

6.6

2021

6.0

1970

5.5

1974

5.5

1976

5.9

2004

6.0

1997

5.6

1997

6.8

1986

6.6

1974

6.8

2010

0.0

1978

6.6

1980

5.4

1993

4.9