how ping over 300 icmp packets with ssh ?

ssh -p 2222 -i /root/.ssh/id_dsa 10.245.1.1 "ping facebook.com count=1000 interval=200ms"

at the end of ping list, i see:
sent=300 received=300 packet-loss=0% min-rtt=31ms avg-rtt=31ms max-rtt=32ms

why not 1000?
in terminal mode of router, all 1000 icmp packets, but not in ssh tunnel