1981

5.4

1993

3.0

2017

7.8

1990

5.2

1991

5.2

2005

6.0

2002

6.8

2013

7.5

1994

7.0

2009

7.1

1982

5.5

2005

7.0

1986

5.3

1981

7.9

2010

5.6

2001

7.3

2013

7.7

2004

6.0

2007

5.3

2013

4.4

1984

0.0

2021

7.0