2006

6.1

1974

5.8

2009

6.6

1976

5.7

2018

7.0

1994

5.8

1978

4.6

2006

6.6

2023

0.0

2006

5.2

2001

7.5

1979

6.0

2007

5.6

2005

7.2

1986

6.7

2000

5.0

1961

4.4

2004

4.6

2008

5.2

2007

7.2