1996

5.6

2007

6.7

1989

4.9

2006

3.8

2006

7.0

2009

7.4

2006

5.7

2004

4.5

1947

0.0

2020

0.0

2012

7.7

2023

0.0

1978

6.0

1984

4.3

1999

5.7

2000

4.2

2001

3.6

1998

4.9

1989

6.1