2000

7.4

2010

4.5

2014

5.2

2019

5.8

2004

5.0

2009

2.7

2018

5.7

1999

5.1

2011

3.3

2012

6.3

2025

5.0

1958

4.8

2007

5.3

1943

6.9

2008

6.3