1989

6.1

1969

5.3

1971

6.0

1976

6.0

2000

5.8

1982

5.2

2024

6.8

2015

7.0

1985

6.7

2005

5.4

1996

6.3

2004

6.6

2002

4.0

1981

0.0

2001

5.9

1989

6.0

1986

5.3

1971

7.4

2006

5.8

1974

1.5