Table:
2006
2007
2008
2009
2010
2011
2012
2013

percentage change

persons not in an economic family
0.3
0.9
1.3
1.8
2.8
3.6
3.9
3.4

economic families with 2 persons
-0.2
-0.3
-0.7
-1.3
-1.8
-2.2
-1.9
-2.3

economic families with 3 or more persons
-0.1
0.0
0.0
0.0
0.1
0.1
0.0
-0.4

Statement: the number of conomic families with two persons experienced consistently downward revisions in all of the years.
Question: the number of which kind of economic families experienced consistently downward revisions in all of the years?
Answer: economic families with 2 persons