2007

5.7

2021

6.2

2011

5.6

2022

4.5

2017

5.9

1998

6.6

2006

5.1

2004

7.3

1988

7.0

1975

4.5

5.0

2012

6.3

1996

5.9

1982

5.9

1995

6.3

1996

6.5

2005

7.0

1898

5.9

2007

5.7

2011

7.0