140的處理時間

請問一下,我在2月9號遞交了140,收到CASE NUMBER,上網一看,給了下麵的這段話.有人知道這140真的要花400到450天嗎?我用的是PERM.謝謝大家了!
Your I140 IMMIGRANT PETITION FOR ALIEN WORKER was received on February 9, 2006. We mailed you a receipt with information about processing. It is taking between 400 and 450 days for us to process this kind of case. We will mail you a decision as soon as processing is complete.