1965

6.3

1993

7.5

2003

6.0

2006

7.4

2000

7.0

1991

0.0

1982

2.7

1977

5.8

1979

5.6

2000

5.3

1964

7.2

2018

0.0

2020

0.0

2002

5.5

2002

3.3

1992

6.9

2007

6.7

2004

6.6

2005

6.3

2001

5.9