1999

7.7

1984

7.4

2010

10.0

1992

5.3

2002

7.5

2001

8.1

2006

7.1

1992

7.1

1990

7.1

1983

5.2

2007

4.0

1986

4.0

2006

6.1

2000

6.2

2005

7.4

2002

8.2

1999

7.1

6.7

1993

7.7

2019

0.0