1996

6.4

2019

7.5

2009

6.6

2005

8.2

1994

7.2

1991

0.0

1982

6.0

2014

7.8

1979

6.7

2012

7.7

1993

5.8

1984

7.5

1999

6.2

1993

5.8

2005

5.5

2014

6.7

1993

7.9

1995

7.8

1999

4.3

2003

7.8

2018

6.5

1999

8.3

1993

8.4

1985

5.0

2002

7.3

2016

10.0