1964

6.6

1959

6.8

2014

0.0

2014

0.0

2016

0.0

1970

4.7

2005

7.2

2001

7.5

1970

0.0

1961

7.6

2001

6.7

1975

8.0

1995

5.8

2006

5.4

2020

0.0

2021

6.8

1974

5.0

2018

0.0

2007

7.0

2009

0.0