2003

6.9

1994

5.7

1985

5.0

2014

5.5

2021

4.8

1985

6.6

1999

7.9

2008

5.3

2003

7.0

2017

0.0

2002

7.5

1956

7.5

1985

6.2

2016

6.2

2007

5.6

1988

2.5

2001

6.2

2005

1.0

1970

4.7

1966

3.0