1987

7.2

2007

6.3

1984

7.6

2012

6.4

2000

7.1

1993

4.5

2012

6.8

1992

6.1

2021

0.0

2010

7.6

1986

4.4

1993

6.9

1991

4.0

2017

4.7

1997

4.3

1995

6.1

2017

5.6

2016

7.3

1992

5.3

2019

7.4

2010

4.7

1996

6.2

1988

5.0

1995

4.4

1997

6.1

1993

5.0

2009

3.7

1998

7.2

1990

10.0

1992

7.4

2011

0.0

2003

2.5

2007

6.5

2002

4.2

2004

1.5

1989

5.9

2015

5.4

1990

6.9

1985

7.7

2006

6.0

1993

6.2

1998

4.6

1988

5.6

1996

6.2

2010

8.2

2018

10.0

2014

5.5

1988

6.6

1991

6.2

1997

8.3

1992

6.2

1985

7.2

1995

8.0

2005

8.3

1995

5.3

2004

7.6

2002

7.2

1989

6.3

1995

7.7

2017

9.0

1993

6.2

1996

7.1

1993

8.4

2013

6.4

1994

6.1

1998

3.8