2000

6.9

1988

7.1

2002

3.7

1991

6.6

2002

6.7

2000

5.9

1997

6.5

2002

6.0

2004

6.2

2015

5.4

1966

6.5

2003

6.6

1998

5.5

2017

4.6

2014

10.0

2009

6.7

2008

0.0

1992

6.0

2003

5.8

1969

6.8