1974

3.3

2004

7.4

2007

6.9

1987

9.0

2015

3.2

2012

7.0

2018

9.0

2003

0.0

2023

9.7

2014

5.7

2012

9.0

2005

5.8

1997

7.6

2005

0.0

1981

7.3

1990

8.3

1960

3.7

1999

6.4

1995

5.4

2005

7.9