0.0

2013

8.8

2016

7.2

2005

7.1

2000

6.5

2001

6.8

1952

5.4

2007

7.3

1998

7.0

2007

6.5

1949

6.1

2025

0.0

2023

5.7

1968

4.2

1996

6.6

2008

7.6

2003

6.6

1939

6.4

1996

6.9

1998

6.9