2003

7.8

1988

7.1

2017

5.2

1983

4.8

1931

7.5

2002

5.5

1999

4.8

2014

6.2

2000

3.7

1997

0.0

1972

5.1

2004

3.7

2006

2.2

2018

4.4

1971

6.1

1972

5.7

1969

6.5

1959

6.2

2004

1.5

1971

5.2