FIGURE 2: Cumulative totals for each employee up to 500 (abbreviated)
empidordermonthqtytotalqtyavgqty
---------------------------------
11996-07-01121121121
11996-08-01247368184
11996-09-01255623207
21996-07-01505050
21996-08-019414472
21996-09-0113728193
21996-10-01248529132
31996-07-01182182182
31996-08-01228410205
31996-09-0175485161
31996-10-01151636159
...