1970

6.0

2022

4.9

2015

8.0

2002

7.0

1993

6.6

1999

6.8

1977

7.2

1987

8.4

1986

7.6

1998

7.4

1992

6.5

1974

0.0

2000

8.0

2006

8.3

2006

7.0

1971

6.0

1999

8.3

2002

7.2

2004

7.9

2006

0.0