1966

7.3

2001

7.7

1999

5.7

2007

6.9

1973

0.0

1995

6.6

2014

4.4

2005

7.1

2000

7.3

1990

3.5

2006

7.4

2000

7.0

1964

7.6

1991

7.2

2002

6.7

1971

7.5

1996

2.7

1976

5.3

1979

7.7

1961

7.3