2007

6.9

2005

6.1

1994

6.7

2001

6.5

2018

7.0

1998

8.3

1993

6.9

2025

9.3

1952

7.3

1995

4.8

2007

5.8

2008

6.6

2021

0.0

1985

6.9

1928

0.0

1954

7.2

1927

6.9

2007

6.8

2008

6.8

1998

6.4