Date         Hosts   Annual Inc  Increment Inc.
  Aug.81           213
  May.82           235       14%           10%
  Aug.83           562      111%          139%
  Oct.84         1,024       70%           82%
  Oct.85         1,961       92%           92%
  Feb.86         2,308       53%           18%
  Nov.86         5,089      161%          120%
  Dec.87        28,174      419%          454%
  Jul.88        33,000       29%           17%
  Oct.88        56,000      277%           70%
  Jan.89        80,000      170%           43%
  Jul.89       130,000      126%           63%
  Oct.89       159,000       89%           22%
  Oct.90       313,000       97%           97%
  Jan.91       376,000       80%           20%
  Jul.91       535,000       85%           42%
  Oct.91       617,000       61%           15%
  Jan.92       727,000       71%           18%
  Apr.92       890,000       90%           22%
  Jul.92       992,000       46%           11%
  Oct.92     1,136,000       58%           15%
  Jan.93     1,313,000       62%           16%
  Apr.93     1,486,000       53%           13%
  Jul.93     1,776,000       78%           20%
  Oct.93     2,056,000       63%           16%
  Dec.93     2,217,000       47%            8%
  Jul.94     3,212,000       77%           45%
  Oct.94     3,864,000       81%           20%
  Jan.95     4,852,000      102%           26%
  Apr.95     5,706,114                     18%
  Jul.95     6,710,582
  Oct.95     7,891,869
  Jan.96     9,281,102
  Apr.96    10,914,886
  Jul.96    12,836,272
  Oct.96    15,095,885
  Jan.97    17,753,266
  Apr.97    20,878,436
  Jul.97    24,553,739
  Oct.97    28,876,019
  Jan.98    33,959,165
  Apr.98    39,937,115
  Jul.98    46,967,385
  Oct.98    55,235,217
  Jan.99    64,958,464
  Apr.99    76,393,328
  Jul.99    89,841,111
  Oct.99   105,656,154
  Jan.00   124,255,175