2006

7.4

2003

7.8

2001

5.1

2015

3.0

1988

7.1

2009

7.5

2016

0.0

2002

5.5

1993

7.7

2023

0.0

1999

4.2

1976

5.6

2007

4.2

1985

6.0

1975

5.6

2013

6.7

1968

7.6

1988

3.0

1993

2.0

1995

2.0