2007

6.2

1992

6.4

1997

7.6

2004

6.5

1988

7.2

1975

7.5

1996

6.9

1991

7.1

1997

5.9

2000

4.7

2000

6.8

1995

6.4

2024

5.5

2002

7.0

2005

6.2

2024

6.0

1994

6.8

1995

6.3

2019

5.3

2005

4.5