Table:
year
immigrant class

family class
economic class
business class
refugees
other

share

2001
0.006
0.009
0.099
0.002
0.002

2002
0.008
0.015
0.132
0.003
0.003

2003
0.010
0.019
0.121
0.005
0.005

2004
0.015
0.025
0.110
0.007
0.006

2005
0.020
0.032
0.104
0.009
0.006

2006
0.023
0.039
0.100
0.012
0.008

2007
0.031
0.046
0.101
0.016
0.009

2008
0.038
0.052
0.097
0.019
0.014

2009
0.042
0.056
0.093
0.022
0.013

2010
0.047
0.061
0.095
0.026
0.012

Statement: the rate for immigrants in the family classes rose with time in canada, reaching 4.7% by 2010.
Question: what the rate for immigrants in the family classes reached by 2010?
Answer: [0.047]