What percentage of the workforce in Singapore are for clerical or office jobs?

M: OK, Ms. lee. Could you give me an idea about the workforce in Singapore?
F: Yes, sir. A total of 11% of the workforce are professional or technical workers. And a further 6% are employed in administrative jobs.
M: What about people like you who have clerical or office jobs?
F: Well, 13% of the workforce work as office clerks, secretaries, typists and receptionists.
M: Well, how about jobs in production...

M: OK, Ms. Brown. Could you give me an idea about the sales in the past 3 months?
F: Yes, sir. I’m afraid our sales went down a little in March. Fortunately, they went up again in April.
M: How about May then?
F: In that month, our sales kept going up steadily.
M: Very good.