有人看这个网站么？好像是每天自动从USCIS上遍历所有的case状态。 http://www.mycasetracker.org/index.php?dest=home
按照网站上显示的每天审批速度 （每天50-100个case），I-140估计几年也批不完。。
processing time上显示NSC批到17年3月了，实际大多数16年底的降级申请都还没动静
呢吧？
Below is the current status for receipt range: LIN1790219619 to
LIN1790319618
Form: I140
Total: 5406 Approved: 1159 (21.4%) Denied: 29 (0.5%) RFE: 141 (2.6%
) In Process: 4059 (75.1%)
Case Was Approved 880 16.3% 2016-12-30 2017-09-22
Case Was Received 3547 65.6% 2016-11-16 2017-01-10
