Via Nullspace comes a set of links from the
Department of Homeland Security about the numbers of, and certain trends among, internationals seeking permanent residency in the United States. Incoming residents from Asia and Oceana to the Pittsburgh region has gone up from 2006 to 2011, Nullspace writes, culminating with 1,826 last year. In 2011 there were 9,197 to the Philadelphia-Camden-Wilmington area, according to the DHS's Supplemental Table 3.
Looking at Pennsylvania as a whole in 2011, which had 12,071 from Asia based on Supplemental Table 1:
* 159 from Cambodia
* 2,247 from China
* 120 from Japan
* 13 from Laos
* 48 from Malaysia
* 584 from Philippines
* 481 from South Korea
* 94 from Taiwan
* 190 from Thailand
* 940 from Vietnam
