Total number of unique subscribers
Image: JISCmail logo
1200000 
_
1000000 
_
800000 
_
600000 
_
400000 
_
200000 
_
_
0
0
0
237529
238400
253300
269601
272053
270842
275999
279262
284156
285946
290672
294431
297829
301124
303746
312729
314926
314422
316442
320283
323926
318345
323375
326285
330311
331676
332536
334933
337303
338620
340747
346508
350933
353412
360963
369354
374303
377547
376696
379907
381818
383032
380580
385800
357457
360154
364477
368921
372756
377373
383391
384599
386312
388696
392300
389875
396348
398591
403487
409519
412933
415839
419639
420572
421951
417989
422761
431759
437786
440319
450136
450198
451811
455196
456983
460740
463294
547262
553114
583623
588605
594584
610055
615178
609276
612660
615658
618701
618189
623666
627361
641471
690434
689582
696299
709497
749484
752547
753148
761522
764901
781305
796943
805710
809768
812571
816807
828664
849043
856622
879718
882272
889760
892504
910845
932842
943989
975570
960384
965655
968167
968190
1027127
1037104
1003084
1006731
1012557
1035872
1049156
1057226
1069247
1112221
1123072
1128173
1130951
 

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Note: Not available prior to March 2001