1996

4.5

2001

6.0

2004

6.6

1992

4.5

1980

5.8

2002

8.0

2022

6.5

2013

7.2

2011

7.4

1995

7.0

1991

5.0

2009

6.0

1985

6.2

1997

1.0

1990

5.0

1979

0.0