1998

3.0

2013

7.0

2014

6.8

1956

0.0

1989

7.8

1979

7.0

1969

3.5

1990

7.6

1977

7.8

2009

0.0

2003

7.2

2006

7.4

1991

4.0

1988

6.9

2005

6.6

2007

7.3

2002

5.2

1995

6.9

1984

8.5

2024

7.0