2005

4.9

2015

7.5

2016

4.5

1972

3.0

2004

6.1

1979

5.0

2022

5.8

2017

4.0

1985

4.9

2000

3.0

1982

5.8

1969

3.9

2014

6.4

1994

6.2

1982

5.6

2004

5.6

1975

5.8

2000

1.0

2006

6.5

2009

6.0