| DATE | NUMBER OF USERS | % WORLD | 
| December, 1995 | 16 millions | 0.4 % | 
| December, 1996 | 36 millions | 0.9 % | 
| December, 1997 | 70 millions | 1.7 % | 
| December, 1998 | 147 millions | 3.6 % | 
| December, 1999 | 248 millions | 4.1 % | 
| March, 2000 | 304 millions | 5.0 % | 
| July, 2000 | 359 millions | 5.9 % | 
| December, 2000 | 451 millions | 7.4 % | 
| March, 2001 | 458 millions | 7.6 % | 
| June, 2001 | 479 millions | 7.9 % | 
| August, 2001 | 513 millions | 8.6 % | 
| April, 2002 | 558 millions | 8.6 % | 
| July, 2002 | 569 millions | 9.1 % | 
| September, 2002 | 587 millions | 9.4 % | 
| March, 2003 | 608 millions | 9.7 % | 
| September, 2003 | 677 millions | 10.6 % | 
| October, 2003 | 682 millions | 10.7 % | 
| December, 2003 | 719 millions | 11.1 % | 
| February, 2004 | 745 millions | 11.5 % | 
| May, 2004 | 757 millions | 11.7 % | 
| October, 2004 | 812 millions | 12.7 % | 
| December, 2004 | 817 millions | 12.7 % | 
| March, 2005 | 888 millions | 13.9 % | 
| June, 2005 | 938 millions | 14.6 % | 
| September, 2005 | 957 millions | 14.9 % | 
| November, 2005 | 972 millions | 15.2 % | 
| December, 2005 | 1,018 millions | 15.7 % | 
| March, 2006 | 1,023 millions | 15.7 % |