Top categories that begin with "1"
- 1 (1,381 sites)
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- 12 (590 sites)
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- 1911 (449 sites)
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- 10k (412 sites)
- 18 (403 sites)
- 11 (379 sites)
- 1500 (374 sites)
- 13 (366 sites)
- 1970 (365 sites)
- 15 (364 sites)
- 1968 (354 sites)
- 16 (345 sites)
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- 1000 (321 sites)
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- 14 (296 sites)
- 1 - planning (291 sites)
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- 1040 (282 sites)
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- 17 (262 sites)
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- 125 (172 sites)
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- 1031 (149 sites)
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- 120 (146 sites)
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- 110 (135 sites)