getShardDistribution not showing all shard information

getShardDistributon OutPut
Shard r1 at r1/DESKTOP-KALPESH:30001,DESKTOP-KALPESH:30002
data : 27KiB docs : 38 chunks : 1
estimated data per chunk : 27KiB
estimated docs per chunk : 38

Shard r2 at r2/DESKTOP-KALPESH:34001,DESKTOP-KALPESH:34002,DESKTOP-KALPESH:34003
data : 792B docs : 1 chunks : 1
estimated data per chunk : 792B
estimated docs per chunk : 1

mongos> sh.status()
— Sharding Status —
sharding version:

{ "_id" : 1, "minCompatibleVersion" : 5, "currentVersion" : 6, "clusterId" : ObjectId("58ec84766ca5ebed9b426d46") }

shards:

{ "_id" : "r1", "host" : "r1/DESKTOP-KALPESH:30001,DESKTOP-KALPESH:30002", "state" : 1 } { "_id" : "r2", "host" : "r2/DESKTOP-KALPESH:34001,DESKTOP-KALPESH:34002,DESKTOP-KALPESH:34003", "state" : 1 } { "_id" : "r3", "host" : "r3/DESKTOP-KALPESH:35001,DESKTOP-KALPESH:35002,DESKTOP-KALPESH:35003", "state" : 1 }

active mongoses:
"3.4.2" : 1
autosplit:
Currently enabled: yes
balancer:
Currently enabled: yes
Currently running: no
Balancer lock taken at Tue Apr 11 2017 12:53:34 GMT+0530 (India Standard Time) by ConfigServer:Balancer
Failed balancer rounds in last 5 attempts: 0
Migration Results for the last 24 hours:

Totals
data : 27KiB docs : 39 chunks : 2
Shard r1 contains 97.23% data, 97.43% docs in cluster, avg obj size on shard : 733B
Shard r2 contains 2.76% data, 2.56% docs in cluster, avg obj size on shard : 792B