2000

5.5

1991

7.2

2002

6.7

2001

6.0

2001

5.0

2002

5.8

1992

7.1

1993

6.4

2006

6.6

1995

6.1

2007

5.2

1997

6.0

2024

10.0

1972

5.8

1987

7.8