To answer this question, we want to create a variable that is the total amount of household income, (totminc) by province. The command we need to enter into STATA is:
egen tltotminc=sum(totminc), by (province)
Examine now the tabulation of the variable province. Kwa Zulu is the fifth province on this list with 972 people residing inside it.
tab province
province | Freq. Percent Cum.
------------+-----------------------------------
CAPE | 654 12.38 12.38
NATAL | 266 5.03 17.41
TRANSVAA | 1129 21.37 38.78
ORANGE F | 241 4.56 43.34
KWA ZULU | 972 18.40 61.73
KANGWANE | 127 2.40 64.14
QWA-QWA | 25 0.47 64.61
GAZANKUL | 97 1.84 66.45
LEBOWA | 494 9.35 75.79
KWANDEBE | 51 0.97 76.76
TRANSKEI | 605 11.45 88.21
BOPHUTHA | 405 7.66 95.87
VENDA | 76 1.44 97.31
CISKEI | 142 2.69 100.00
------------+-----------------------------------
Total | 5284 100.00
By examining the response with 972 as the frequency, which is Kwa Zulu Natal's total number of people from this sample living inside of it, we see that Kwa Zulu Natal has a total 1081941 Rand per month.
tab tltotminc
tltotminc | Freq. Percent Cum.
------------+-----------------------------------
21136 | 25 0.47 0.47
52040.83 | 51 0.97 1.44
67534.46 | 76 1.44 2.88
76980.48 | 97 1.84 4.71
90739.34 | 127 2.40 7.12
142843.6 | 142 2.69 9.80
260908.8 | 241 4.56 14.36
335387.8 | 494 9.35 23.71
351601.2 | 605 11.45 35.16
463548.9 | 405 7.66 42.83
726804.7 | 266 5.03 47.86
1081941 | 972 18.40 66.26
1539428 | 654 12.38 78.63
3897148 | 1129 21.37 100.00
------------+-----------------------------------
Total | 5284 100.00