Table 6. IQR of special workers.

Category	Special workers wage(Korean won)
Year	2021	2022
Q1	180,000	200,000
Q2	200,000	225,000
Q3	225,000	250,000
IQR	45,000	50,000
Q1−1.5IQR	112500	125000
Q3+1.5IQR	292500	325000