2004

6.2

1960

5.1

1999

6.7

2000

5.3

1979

5.6

2008

6.6

1994

6.7

2014

3.0

1963

6.0

2014

3.7

2007

6.1

2023

6.4

2017

6.1

2005

4.0

1994

5.7

1972

10.0

1972

7.0

1977

5.0

2012

7.4

2010

7.0