1982

6.2

1994

5.6

1973

5.7

2010

5.0

1985

6.2

1986

6.4

1995

8.7

2003

5.3

2004

6.4

1956

7.2

2000

6.3

1994

6.8

2024

0.0

2014

6.5

2008

4.0

2016

7.7

2001

5.4

2001

6.9

1980

6.8

2005

4.9