USCIS just released its current data on EB5 cases.
The first quarter of 2016(10/15-12/15) shows that pending I-526 petitions increased from 17,367 to 21,988; I-526 approval rate dropped from previous quarter's 85% to first quarter's 77%.
I-829, petition to remove condition, on the other hand, shows significant improvement. The approval rate from the first quarter of 2016 was 99%.