你若要问程序，永远附上资料 (特别是有关日期的)；若附上资料，永远用 dataex 印出资料。先 ssc install dataex (并见说明)，将原始 Stata 资料中具有”代表性”的一部分资料列出，以供有意回答者实验之用，并能提供具体操作指令。并请参考 http://www.jianshu.com/p/9870080fe769,  https://bbs.pinggu.org/thread-5048204-1-1.html, 与 https://bbs.pinggu.org/thread-5917273-1-1.html。

"AGGREKO" 41276
"AGGREKO" 41277
"AGGREKO" 41278
"AGGREKO" 41281
"AGGREKO" 41282
"AGGREKO" 41283
"AGGREKO" 41284
"AGGREKO" 41285
"AGGREKO" 41288
"AGGREKO" 41289
"AGGREKO" 41290
"AGGREKO" 41291
"AGGREKO" 41292
"AGGREKO" 41295
"AGGREKO" 41296
"AGGREKO" 41297
"AGGREKO" 41298
"AGGREKO" 41299
"AGGREKO" 41302
"AGGREKO" 41303
"AGGREKO" 41304
"AGGREKO" 41305
"AGGREKO" 41306
"AGGREKO" 41309
"AGGREKO" 41310
"AGGREKO" 41311
"AGGREKO" 41312
"AGGREKO" 41313
"AGGREKO" 41316
"AGGREKO" 41317
"AGGREKO" 41318
"AGGREKO" 41319
"AGGREKO" 41320
"AGGREKO" 41323
"AGGREKO" 41324
"AGGREKO" 41325
"AGGREKO" 41326
"AGGREKO" 41327
"AGGREKO" 41330
"AGGREKO" 41331
"AGGREKO" 41332
"AGGREKO" 41333
"AGGREKO" 41334
"AGGREKO" 41337
"AGGREKO" 41338
"AGGREKO" 41339
"AGGREKO" 41340
"AGGREKO" 41341
"AGGREKO" 41344
"AGGREKO" 41345
"AGGREKO" 41346
"AGGREKO" 41347
"AGGREKO" 41348
"AGGREKO" 41351
"AGGREKO" 41352
"AGGREKO" 41353
"AGGREKO" 41354
"AGGREKO" 41355
"AGGREKO" 41358
"AGGREKO" 41359
"AGGREKO" 41360
"AGGREKO" 41361
"AGGREKO" 41366
"AGGREKO" 41367
"AGGREKO" 41368
"AGGREKO" 41369
"AGGREKO" 41372
"AGGREKO" 41373
"AGGREKO" 41374
"AGGREKO" 41375
"AGGREKO" 41376
"AGGREKO" 41379
"AGGREKO" 41380
"AGGREKO" 41381
"AGGREKO" 41382
"AGGREKO" 41383
"AGGREKO" 41386
"AGGREKO" 41387
"AGGREKO" 41388
"AGGREKO" 41389
"AGGREKO" 41390
"AGGREKO" 41393
"AGGREKO" 41394
"AGGREKO" 41395
"AGGREKO" 41396
"AGGREKO" 41397
"AGGREKO" 41401
"AGGREKO" 41402
"AGGREKO" 41403
"AGGREKO" 41404
"AGGREKO" 41407
"AGGREKO" 41408
"AGGREKO" 41409
"AGGREKO" 41410
"AGGREKO" 41411
"AGGREKO" 41414
"AGGREKO" 41415
"AGGREKO" 41416
"AGGREKO" 41417
"AGGREKO" 41418

这个是公司名字和日期
下面是我format date %td 后的截图

感谢提醒 下面附数据和截图了

你的把你写的命令也列出来

我命令就是
format date %td
然后就多了60年