1984

7.0

1986

3.8

2009

5.6

1999

6.4

2009

6.5

2014

5.4

1971

6.2

2025

0.0

1965

6.2

2005

6.7

2005

5.7

1978

4.5

2002

0.0

1976

7.8

1982

5.8

2000

6.5

2004

5.8

2008

5.1

2021

5.7

2006

5.7