1955

7.2

2001

6.2

2001

7.4

1987

5.3

2003

5.9

1992

5.8

1994

4.5

2001

0.0

2017

5.2

2013

5.6

1970

7.5

1937

6.0

2001

3.3

1996

6.4

1969

7.1

1961

7.7

2003

7.1

2003

7.1

2006

6.7

2000

7.0