1987

7.1

2021

5.3

2006

5.2

2001

6.0

2000

7.5

1998

7.1

2005

6.3

8.0

1994

5.1

1994

7.3

2021

6.8

1985

7.7

2021

7.9

2006

7.9

1992

6.5

2001

8.2

2002

7.2

1994

5.0

1995

7.8

1993

8.4

1996

3.3

1994

6.0

1995

0.0