Segregations at Decennial Periods 30 to 80, at the expense of contiguous Years.
30. 40. 50. 60. 70. 80.
-8 2,913 1,416 966 770 434 201
-9 2,408 1,341 819 582 366 164
-0 2,989 1,810 1,390 1,231 731 240
-1 1,959 1,006 705 492 354 116
-2 2,192 1,232 841 558 440 103