PL IV Index for individual batches with dates

Batch 1
 https://drive.google.com/file/d/0B31tSNYYE3n0WHBIaG1ZWGlXWkU/view?usp=sharing

Batch 2
 https://drive.google.com/file/d/0B31tSNYYE3n0Wnh5NVU5SkY1eGc/view?usp=sharing

Batch 3
 https://drive.google.com/file/d/0B31tSNYYE3n0YjlkdXc2LU4yWkU/view?usp=sharing

Batch 4
https://drive.google.com/file/d/0B31tSNYYE3n0MjJoT1NTeGR3YXM/view?usp=sharing

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