2000

7.8

2010

5.2

1989

6.0

1994

1.0

1997

0.0

2010

6.4

2011

5.8

2014

5.3

1999

6.8

2007

5.0

1986

5.3

2015

3.0

2015

7.7

2009

0.0

2019

7.5

2008

10.0

2011

2.0

1970

6.2

2004

5.6

2006

7.2

1984

7.7

1992

3.4

1979

0.0