21.   They usually number only a couple of dozen but on weekends their numbers swell to several dozen.

22.   This marks the first Friday of the Muslim holy month of Ramadan, when the number of worshippers swells.

23.   Their numbers are swelling as Zairians from Goma and other towns in the path of advancing Tutsi rebels join the refugee tide.

24.   The number of marchers swelled as they moved towards the party office.

25.   Their numbers typically swell during the dry season, as skirmishes between rebel armies and Myanmar government troops force them to flee across the border to safety in Thailand.

26.   Their numbers have swelled since Israel banned Palestinians from entering the country in February at the start of a wave of Islamic suicide bombings.

27.   The demonstrators, whose number swelled to several thousand, heldheir supposed victim, crisis-torn Argentina.

28.   The number of arrivals swelled on Wednesday from a handful in the morning to a steady stream later in the day.