2000

6.3

1980

6.8

2017

4.4

1970

6.8

2004

5.8

2025

0.0

1961

0.0

2009

6.0

1978

7.1

2016

7.7

2001

5.4

2001

6.9

1980

6.8

2005

4.9

2008

4.0

1994

6.8

2023

0.0

1999

6.4

1992

6.2

2005

5.2