def _cdp_split_times_read_aligns(split_alignment_dict):
    """
    Dict. of times a read aligns to all references
    {read: times aligned} 
    """
    srna_align_counts = {}
    for aligned_sRNAs in split_alignment_dict.values():
        for aligned_sRNA, count in aligned_sRNAs.items():
            if aligned_sRNA in srna_align_counts:
                srna_align_counts[aligned_sRNA] += count
            else:
                srna_align_counts[aligned_sRNA] = count
    return srna_align_counts
