How to check the remaining IP addresses in the DHCP address pool

How to check the remaining IP addresses in the DHCP address pool  

[H3C]display dhcp  server  statistics  pool 100

    Pool utilization:                  0.80%

    Bindings:

      Automatic:                       2

      Manual:                          0

      Expired:                         0

[H3C]display dhcp  server  expired  pool 100

IP address       Client-identifier/Hardware address   Lease expiration

[H3C]display dhcp server free-ip pool 100

Pool name: 100

  Network: 172.20.10.0 mask 255.255.255.0

    IP ranges from 172.20.10.9 to 172.20.10.254