Source:
http://www.ala.org/ala/washoff/WOissues/civilliberties/theusapatriotact/Muellerresponses050206.pdf
more than one third world-wide 485 case will have to wait more than one-year for FBI NC.
0-30 16665
30-60 17427
60-90 14413
90-120 5467
120-365 31063
>1 year 52073
Similar situation for N-400 cases.
The percentage of the aplications who were stuck in NC for Chinese will much higher than that for world-wide.