2007

6.5

1999

5.9

2006

6.0

1993

6.2

2009

5.8

2011

6.6

2022

6.8

1911

6.6

2003

6.3

2002

6.5

2014

6.9

2004

6.3

1998

5.2

2000

6.3

2020

6.2

1996

6.4

1989

5.3

1996

6.5

1995

7.7

2012

6.2