This may be a good guide for you as it is based on Singapore:

Top 100 Jobs Across All Industries
1.Managing director/ Chief executive officer – $32,800
2.Specialist medical practitioner (surgical) – $32,713
3.Specialist medical practitioner (medical) – $28,413
4.Commodities derivatives broker – $25,000
5.Foreign exchange dealer/ Broker – $21,667
6.Chief operating officer/ General manager – $20,773
7.Company director – $18,100
8.Lawyer (excluding advocate and solicitor) – $17,370
9.University lecturer – $15,254
10.General practitioner/ Physician – $13,806