1980

5.1

1999

3.7

1979

6.0

1992

6.6

2004

6.2

1970

4.1

2016

2.0

1989

4.5

1985

3.8

1976

0.0

1988

5.4

1980

2.0

2012

2.3

2021

2.0

1980

4.8

2008

6.2

1973

3.5

1975

5.8

2005

6.2

1968

2.5