A lower participation level could necessitate many costly door-to-door visits by temporary census takers.
In the last year alone, it increased its global sales force by 30 percent to 6,500 people, including scores of "detail men" who make door-to-door visits to doctors.
But after countless meetings and door-to-door visits, they slowly warmed to the idea of selling their development rights to an outsider.
When Dawson was aged about 98, a man was making door-to-door visits on behalf of a local adult education program.
Tanzi, who ran an organized, grassroots campaign that featured a strong community presence, started door-to-door visits early and sent out personal letters and postcards.
In addition, the organization says it will try to mobilize voters through petition drives and door-to-door visits.
Across the province there were door-to-door visits, saturation telephone canvassing and leafleting.
In our coffee afternoons, street meetings and door-to-door visits, we didn't talk about national issues.
The first type of method is personal contact and includes door-to-door visits and phone calls.
But by making his door-to-door visits, he has made new friends.