1971

3.5

2003

6.9

2004

6.0

2004

6.7

2003

6.1

2000

3.4

2006

2.2

1978

5.8

1953

6.4

1989

5.2

1998

0.0

1974

7.4

1936

0.0

1986

4.0

2011

4.0

1987

0.0

2015

4.6

2005

5.0

1958

8.7

1964

0.0