1968

7.6

1989

3.1

1989

5.0

2006

7.4

2003

7.8

1976

5.7

2019

6.9

1975

5.5

1993

7.8

2002

5.6

2012

4.4

2009

7.5

1969

6.5

1996

2.0

1999

5.5

1988

3.7

1969

0.0

2004

5.5

2013

6.7

2004

1.5