bowtie2 results with NGS data

Hello,

I made index from my reference file and run command to align my metagenomic data by bowtie2. command is

bowtie2 -x <index_referance> -1 <paired_end_read_path_1.fastq> -2 <paired_end_read_path_2.fastq> -s <outputname.sam> and i got this result on screen without getting sam file in output folder.

16190304 reads; of these:
  16190304 (100.00%) were paired; of these:
    16189692 (100.00%) aligned concordantly 0 times
    612 (0.00%) aligned concordantly exactly 1 time
    0 (0.00%) aligned concordantly >1 times
    ----
    16189692 pairs aligned concordantly 0 times; of these:
      59 (0.00%) aligned discordantly 1 time
    ----
    16189633 pairs aligned 0 times concordantly or discordantly; of these:
      32379266 mates make up the pairs; of these:
        32379200 (100.00%) aligned 0 times
        66 (0.00%) aligned exactly 1 time
        0 (0.00%) aligned >1 times
0.00% overall alignment rate

Can anybody tell me what are these results and what’s wrong with this?? please