1.   The numbers have dropped since five of them left to take up regular positions in the police force.

2.   Their numbers have dropped since five of them left to take up regular positions in the police force.

3.   Cotton prices peaked in April, amid limited supply, particularly in the U.S., and have been dropping since.

4.   Consumers had been expecting prices to drop since last autumn amid predictions of record crops this year.

5.   Five other Sudanese students have dropped out since the arrests, he added.

6.   He has not so much as dropped by since a brief visit last July.

7.   However, many money-wiring officials and people who typically receive money in rural Mexican villages said the remittances have dropped since the tragedy.

8.   Indeed, the Goodland forecasters said we were the fourth or fifth chase group to drop by since noon that day.

9.   Meanwhile, leisure fares, the advance-purchase tickets usually bought by vacationers, have dropped since last year, according to the American Express survey.