2001

7.8

2005

6.2

2013

4.6

2016

7.9

2023

10.0

2012

7.0

2010

7.5

2020

0.0

1964

6.4

2013

0.0

1984

6.0

2011

4.0

2024

0.0

1928

6.5

2016

5.3

1993

7.7

2012

4.7

2014

6.1

1940

5.0

2011

5.0