2003

6.5

1992

7.7

1997

6.7

2000

6.1

1987

5.6

1990

6.2

1994

6.6

1994

5.7

2014

0.0

2007

7.2

2006

6.0

1983

8.2

2021

7.9

2002

0.0

2001

6.0

1999

5.4

2004

6.7

1995

5.1

1997

5.5

1994

6.7