1982

4.5

1964

6.2

2004

7.1

1980

7.7

2003

0.0

2002

5.2

1999

0.0

2003

5.8

1998

6.8

2006

3.0

2016

7.6

2017

0.0

1999

6.9

1951

8.0

1937

3.3

1967

7.7

2014

5.0

2006

7.0

2018

6.3

2007

7.1