

Date
|
16,777,216
|
65,536
|
256
|
January 2008
|
90%
|
8%
|
2%
|
January 2007
|
86%
|
11%
|
2%
|
January 2006
|
81%
|
16%
|
3%
|
January 2005
|
72%
|
25%
|
3%
|
January 2004
|
65%
|
31%
|
4%
|
January 2003
|
51%
|
44%
|
5%
|
January 2002
|
43%
|
50%
|
7%
|
January 2001
|
37%
|
55%
|
8%
|
January 2000
|
34%
|
54%
|
12%
|