Table:
new mothers who remained wage workers
new mothers who transitioned to self-employment

2006
2011
2006
2011

percent

occupations

management
6.4
8.9
9.8
10.5

business, finance and administrative occupations
26.7
25.9
25.7
13.5

natural and applied sciences and related occupations
5.4
5.2
6.9
4.8

health
12.1
13.9
10.6
13.4

social science, education, government service and religion
19.8
22.3
12.9
20.3

art, culture, recreation and sport
3.1
3.1
8.9
14.6

sales and service
22.3
16.4
19.7
19.5

trades, transport and equipment operators and related occupations
1.0
1.3
1.8
2.1

occupations unique to primary industry
0.5
0.8
0.8
x

occupations unique to processing, manufacturing and utilities
2.7
2.2
3.1
x

number

observations
486,336
486,336
29,946
29,946

observations
9,346
9,346
553
553

Statement: compared with the distribution of new mothers who switched to self-employment in 2006,the distribution of new mothers who switched to self-employment in 2011 has the least change in the share of sales and service occupations.
Question: which occupations have the least change in the distribution of new mothers who switched to self-employment, compared with the 2006 distribution?
Answer: sales and service