2005

6.3

2006

6.2

1990

6.5

1996

4.0

1982

2.0

1993

0.0

1987

6.9

2007

5.4

2002

6.8

1999

0.0

2014

5.2

2021

10.0

2009

6.6

1980

6.6

1969

2.3

1976

1.7

1999

4.4

2017

3.8

2014

6.0

2005

2.8