This machine is dedicated as a tor-relay. Is it normal that the INPUT bytes count is much greater than the OUTPUT bytes or did I configure the iptables wrong?

 iptables -L -v
Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination 
    6   328 ACCEPT     all  --  lo     any     anywhere             anywhere    
   38  2557 ACCEPT     icmp --  any    any     anywhere             anywhere    
 1135 68123 ACCEPT     tcp  --  any    any     anywhere             anywhere             tcp dpt:http
27432 6416K ACCEPT     tcp  --  any    any     anywhere             anywhere             tcp dpt:https
 6274  479K ACCEPT     tcp  --  any    any     anywhere             anywhere             tcp dpt:ssh
93821  129M ACCEPT     all  --  any    any     anywhere             anywhere             ctstate RELATED,ESTABLISHED
 1050 54292 DROP       all  --  any    any     anywhere             anywhere    

Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination 

Chain OUTPUT (policy ACCEPT 70579 packets, 36M bytes)
 pkts bytes target     prot opt in     out     source               destination