2006

7.5

1996

7.4

2007

8.1

2009

5.9

2019

7.8

1993

7.9

1978

2.0

2001

6.8

2003

7.2

1958

0.0

2005

7.0

2010

0.0

1962

8.0

1970

2.8

2019

8.4

1977

5.7

2025

0.0

1993

7.4

1987

7.6

1990

8.5