2000

3.5

1994

7.3

1995

6.1

2005

5.6

2019

7.3

1977

7.3

2007

5.8

2006

6.4

2004

5.9

2017

9.0

2003

3.9

2018

7.1

1976

4.8

1990

0.0

1973

4.0

1974

7.3

1979

0.0

2007

5.3

2005

5.9

9.0