2001

5.8

2023

9.2

2012

9.4

1998

6.1

2011

5.8

2008

6.2

1997

6.5

2007

6.7

2003

5.6

2008

5.8

1992

5.4

2022

7.3

1984

7.3

2007

5.8

1995

7.0

2016

6.8

2011

9.7

1999

7.2

1928

6.0

1920

6.5