1998

4.7

1978

5.1

2017

6.8

1982

3.2

2021

5.6

1988

0.0

2020

4.7

1972

0.0

2015

4.8

2007

4.9

1968

5.0

1976

2.3

1971

2.0

2000

2.6

1965

1.0

1970

2.0

2001

3.3

1968

2.0

1984

4.3

2010

1.0