2003

7.8

1999

4.2

2002

5.6

2009

7.5

2009

6.5

1999

4.8

2000

3.7

1965

3.4

2025

0.0

1975

6.5

1960

6.1

1994

3.6

1969

0.0

1996

4.0

1981

4.6

2004

3.7

2001

5.1

1989

5.0

1975

5.5

1976

5.7