1985

7.0

2020

5.1

2004

6.3

1986

6.7

2006

6.0

2000

5.0

2007

5.6

2005

7.2

1978

4.8

2014

0.0

2014

3.0

1997

6.5

1969

4.8

2025

10.0

1968

5.4

2005

6.2

1989

6.0

1999

7.1

2004

4.6

2008

5.2