ocr: TELEVISION TVSET OWNERSHIP Source: Nielsen Media Research Number of Sets Per Household TSI 35% 43% 49% 65% 57% Et 37% 38% 36% 32% 2 SETS 29% 28% 19% 3 SETS OR 11% 15% MORE 6% 1970 1975 1980 1985 1991 AVG, Number of. Sets Per 1.42 1.57 1.68 1.83 2.08 Household Note: Sept. 1, 1970-75; Jan. 1 1980-'91