-7- 



m 



o 



iia- 



loa- 



Total calls = 



14 19 25 29 3 6 10 13 19 24 1 7 10 14 21 26 1 8 12 19 22 26 9 19 31 



April May June July August 



DATES 



Table 1. Code-a-phone use. Northeast and Western regions, 1983. 



