1998

6.6

1992

7.4

1990

6.5

2000

5.5

1994

7.5

2004

7.5

2023

10.0

1986

6.3

1997

5.7

1989

5.8

2008

6.5

1997

6.6

1996

6.5

1997

5.2

1995

6.2

2002

6.6

2017

6.9

1970

0.0

1996

6.0

1982

7.5