2003

5.5

2020

6.3

2002

5.3

1995

7.3

1999

6.8

1978

7.2

2000

5.7

1972

7.1

2005

6.8

7.0

2009

5.7

1987

6.0

2004

6.4

2003

5.7

1976

0.0

2001

6.6

1995

3.5

2014

5.0

2005

6.2

1987

6.9