2017

7.1

1989

8.2

1995

6.8

1985

5.5

1992

2.7

1985

6.4

1963

7.9

1989

7.2

2001

5.0

1992

7.1

2006

7.7

1991

0.0

2007

7.6

1995

0.0

1985

0.0

2016

7.6

2003

6.3

2000

6.5

2014

8.2

1993

6.1

1996

3.0

2017

6.5

1995

6.7

1991

6.6

1989

6.5

1997

6.4

2018

7.1

1990

7.3