1975

6.0

1988

5.4

2007

4.7

1934

3.8

1969

1.0

2007

0.0

1970

5.3

2016

5.5

2018

6.6

2008

5.3

2017

3.8

1982

4.8

2015

5.1

2001

5.5

1993

5.7

1982

6.7

1969

6.4

2015

3.0

1972

7.1

1980

4.0