1971

0.0

1985

0.0

1996

6.6

1962

8.0

2002

8.0

2017

6.6

2013

4.0

2005

7.5

1997

6.4

2000

6.0

1957

7.1

2017

4.7

1981

6.0

1994

5.9

1986

6.1

2004

7.7

1998

7.0

1988

6.8

2024

6.3

2009

6.4