Table 3 Distribution of blood lead level (μg/dL) measurements by each exposure category and year
Year | PbB <3 μg/dL | 3≤ PbB <5 | 5≤ PbB <10 | 10≤ PbB <30 | 30≤ PbB <40 | 40≤ PbB <60 | PbB ≥60 | Total |
|---|---|---|---|---|---|---|---|---|
2003 | 6269 (20.13) | 7849 (25.21) | 8223 (26.41) | 7467 (23.98) | 918 (2.95) | 368 (1.18) | 43 (0.14) | 31137 |
2004 | 7471 (21.53) | 10440 (30.09) | 9971 (28.73) | 5618 (16.19) | 749 (2.16) | 410 (1.18) | 42 (0.12) | 34701 |
2005 | 8826 (26.49) | 10319 (30.98) | 8757 (26.29) | 4672 (14.02) | 446 (1.34) | 245 (0.74) | 47 (0.14) | 33312 |
2006 | 10666 (24.30) | 14696 (33.48) | 10266 (23.39) | 6924 (15.77) | 877 (2.00) | 426 (0.97) | 44 (0.10) | 43899 |
2007 | 11897 (27.34) | 15819 (36.35) | 9519 (21.87) | 5374 (12.35) | 632 (1.45) | 259 (0.60) | 17 (0.04) | 43517 |
2008 | 11448 (26.71) | 14931 (34.83) | 10348 (24.14) | 5352 (12.49) | 537 (1.25) | 224 (0.52) | 26 (0.06) | 42866 |
2009 | 15070 (36.10) | 14815 (35.49) | 8015 (19.20) | 3513 (8.42) | 234 (0.56) | 82 (0.20) | 16 (0.04) | 41745 |
2010 | 17699 (39.88) | 14502 (32.68) | 7959 (17.93) | 3820 (8.61) | 252 (0.57) | 130 (0.29) | 20 (0.05) | 44382 |
2011 | 20807 (41.80) | 15498 (31.14) | 8953 (17.99) | 4095 (8.23) | 340 (0.68) | 76 (0.15) | 3 (0.01) | 49772 |
Total | 110153 (30.15) | 118869 (32.54) | 82011 (22.45) | 46835 (12.82) | 4985 (1.36) | 2220 (0.61) | 258 (0.07) | 365331 |