Number of work orders generated for a 5-year period (1996-2000).
| Year | Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sept. | Oct, | Nov. | Dec. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | 42 | 125 | 468 | 254 | 181 | 279 | 459 | 209 | 336 | 217 | 347 | 105 |
| 1997 | 104 | 146 | 278 | 289 | 306 | 399 | 474 | 331 | 279 | 293 | 143 | 112 |
| 1998 | 131 | 95 | 210 | 226 | 316 | 482 | 513 | 305 | 1317 | 334 | 215 | 107 |
| 1999 | 88 | 106 | 268 | 243 | 231 | 341 | 367 | 362 | 447 | 223 | 174 | 80 |
| 2000 | 62 | 62 | 129 | 116 | 237 | 280 | 233 | 228 | 205 | 168 | 130 | 121 |
| Average Standard | 85.4 | 106.8 | 270.6 | 225.6 | 254.2 | 356.2 | 409.2 | 287.0 | 516.8 | 247.0 | 201.8 | 105.0 |
| deviation | 34.9 | 31.7 | 125.3 | 65.5 | 56.3 | 86.1 | 112.1 | 66.0 | 456.0 | 66.0 | 87.5 | 15.3 |