2010

4.5

2014

5.2

2018

5.7

2011

3.3

1977

3.8

2011

5.1

1949

3.5

2002

6.2

2000

7.4

2009

2.7

2004

5.4

2007

3.8

2008

6.8

2024

0.0

1992

5.0

1987

6.6

1999

5.1

1989

6.0

2004

3.5

2019

5.8