2005

6.5

2007

6.7

1998

7.2

2016

7.0

2002

6.8

2020

3.6

1972

5.7

1991

6.3

2014

0.5

2007

6.6

2003

6.3

1954

10.0

2016

1.0

2020

1.0

2000

6.8

1975

7.2

2003

6.6

2004

6.2

2023

0.0

2010

6.0