Table:
bac
bac

2 years before
2 years after
2012
2016

percent

industrial sector

goods-producing industries
4.7
6.4
10.5
11.1

low value-added service industry
22.1
9.9
11.0
8.3

high value-added service industry
30.2
36.6
39.4
38.3

educational services
9.9
11.6
11.8
12.9

health care and social assistance
12.8
14.0
9.8
9.2

public administration
15.1
18.0
12.0
14.0

unknown
5.2
3.5
5.5
6.1

unionization rate

had union contributions
37.8
42.4
35.9
37.7

had no union contributions
62.2
57.6
64.1
62.3

rate of participation in a pension plan

participated in a pension plan
30.2
46.5
37.0
46.3

did not participate in a pension plan
69.8
53.5
63.0
53.7

Statement: in total, the proportion of bachelor graduates from 2010 who obtained an additional short-duration credential between 2013 and 2015 and who worked in low value-added service industries fell to 22.1% two years before obtaining the short-duration credential.
Question: in total, what was the proportion of bachelor graduates from 2010 who obtained an additional short-duration credential between 2013 and 2015 and who worked in low value-added service industries fell two years before obtaining the short-duration credential?
Answer: [22.1]