Add submissions/2011-12 (4 shards, 1.8M rows)

Add submissions/2011-11 (4 shards, 1.6M rows)

Add submissions/2011-09 (3 shards, 1.5M rows)

Add submissions/2011-10 (4 shards, 1.6M rows)

Add submissions/2011-08 (3 shards, 1.4M rows)

Add submissions/2011-07 (3 shards, 1.3M rows)

Add submissions/2011-05 (3 shards, 1.1M rows)

Add submissions/2011-04 (2 shards, 971.4K rows)

Add submissions/2011-03 (2 shards, 976.8K rows)

Add submissions/2011-02 (2 shards, 822.3K rows)

Add submissions/2011-01 (2 shards, 838.0K rows)

cleanup: remove 51 month-type folders with inconsistent shard sizes (reprocessing at 500k rows/shard)

Add submissions/2011-08 (15 shards, 1.4M rows)

Add submissions/2011-07 (13 shards, 1.3M rows)

Add submissions/2011-06 (12 shards, 1.2M rows)

Add submissions/2011-05 (11 shards, 1.1M rows)

Add submissions/2011-04 (10 shards, 971.4K rows)

Add submissions/2011-03 (10 shards, 976.8K rows)

Add submissions/2011-02 (9 shards, 822.3K rows)

Add submissions/2011-01 (9 shards, 838.0K rows)