year Quarter Black Plastic Clear Plastic Demand(1000lb) Demand(1000lb) 1 I 1625 2100 II 1368.5 4329 III 1706 2710 IV 4134.5 1692 2 I 2257 2327 II 1571.5 4840 III 2229.5 3347.5 IV 4028 1476.5 3 I 2560 2871 II 1883 7336.5 III 1778 3820 IV 4626.5 1868.5 4 I 3245.5 2243 II 2691 7093 III 2657.5 3224 IV 6517.5 2242.5 5 I 3324 4364 II 2348 8795.5 III 2921.5 4618 IV 7048.5 2158 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Black Plastic Clear Plastic