1997

4.3

2006

6.2

2006

5.5

1999

3.9

2003

5.0

1964

5.7

2001

2.7

1982

6.0

2005

5.2

1985

5.5

2001

0.0

2015

4.0

1963

7.5

2012

6.5

1958

0.0

2022

3.0

2017

8.0

2012

1.0

2014

7.0

2004

4.6