i have data like below
CONS_NUM BILL_UNITS BC_CD
0200501200 101 200608
0200501200 58 200609
0200501200 100 200610
0200501200 75 200611
0200501200 32 200612
0200501200 32 200701
0200501200 66 200702
0200501200 61 200703
0200501200 58 200704
0200501200 54 200705
0200501200 92 200706
0200501200 77 200707
0200501200 68 200708
0200501200 68 200709
0200501200 70 200710
0200501200 98 200711
0200501200 36 200712
0200501200 28 200801
0200501200 36 200802
0200501200 43 200803
0200501200 67 200804
0200501200 51 200805
0200501200 99 200806
0200501200 78 200807
0200501200 81 200808
0200501200 84 200809
0200501200 77 200810
0200501200 85 200811
0200501200 32 200812

need to arrange like below
CONS_NUM
0200501200
jan feb mar apr may jun jul aug sep oct nov dec
101 58 100 75 32
32 66 61 58 54 92 77 68 68 70 98 36
28 36 43 67 51 99 78 81 84 77 85 32


could you please help me .. manually it's taking so much time

Thanks in advance.. plz help me