12/1 -------------------- 12/2 -------------------- 12/3 -------------------- 12/4 8000 0 − 8000 12/5 7000 0 − 7000 12/6 -------------------- 12/7 -------------------- 12/8 9000 0 − 9000 12/9 0 0 ± 0 12/10 3000 20400 +17400 12/11 -------------------- 12/12 0 0 ± 0 12/13 -------------------- 12/14 0 0 ± 0 12/15 1000 0 − 1000 12/16 0 0 ± 0 12/17 -------------------- 12/18 2000 0 − 2000 12/19 -------------------- 12/20 -------------------- 12/21 0 0 ± 0 12/22 2000 0 − 2000 12/23 1000 0 − 1000 12/24 7000 4800 − 2200 12/25 -------------------- 12/26 -------------------- 12/27 -------------------- 12/28 4000 0 − 4000