2005

7.5

1999

7.6

2005

7.4

2014

3.1

1987

7.3

2017

4.4

2022

6.6

1940

0.0

2004

6.8

1979

7.1

2004

6.7

1978

6.0

1981

0.0

1965

6.8

2006

6.3

2002

6.2

1992

6.1

1996

6.9

2006

4.7

1986

6.3