Study the following tables carefully and answer the questions given below:
Number & percentage of candidates qualified in a competitive Examination
Number of Candidates appeared in a Competitive Examination from five centres over the years
Centre→ Year↓ MumbaiDelhiKolkataHyderabadChennai20013514565139451925112437346200217264582485231450248489322003248006330956469523685140620042831670316712535419652315200536503692946963258360554922006291295921664178482305736520073243861345563044917858492
Approximate Percentages of Candidates Qualified to appeared in the Competitive Examination
from five centres over the years
MumbaiDelhiKolkataHyderabadChennai12241817910281221121521232510112719248132316231314202119111619242014
Approximately how many candidates appearing from Kolkata in 2004 qualified in the competitive examination?