1996

5.7

2003

6.5

1997

6.9

2022

7.0

2008

7.1

2016

6.0

1998

7.2

2005

5.5

2005

7.3

2007

1.0

2007

4.8

2008

4.3

2008

6.6

2002

6.3

2018

3.9

2012

3.5

1970

5.1

1954

6.0

2005

6.8

2007

6.0