Another sequence index file is released on the FTP site
The corresponding analysis.sequence.index that contains only >70bp long Illumina reads is
You may find different stats files for this release in http://ftp.1000genomes.ebi.ac.uk/vol1/ftp/sequence_indices. We have achieved our goal of 2500 samples for both low coverage and exome projects! The overlap between >5Gb exome samples and >10Gb low coverage samples is 2466.