2005

6.2

2001

7.5

2000

7.0

2017

0.0

2002

5.3

2021

7.7

2018

0.0

2017

0.0

2014

6.0

2006

5.5

2004

10.0

1976

7.0

1982

7.2

1993

7.1

1993

6.3

2002

5.9

1992

6.7

1969

7.1

1966

6.6

1991

7.6