Miscellaneous statistics
Adult Web sites
Public Web sites whose primary content is sexually explicit images or text.
| |
No. of sites |
Percent of public sites |
| 1998 |
34,000 |
2.3% |
| 1999 |
42,000 |
1.9% |
| 2000 |
68,000 |
2.3% |
| 2001 |
74,000 |
2.4% |
| 2002 |
102,000 |
3.3% |
IP address volatility
Percent of IP addresses identifying a Web site in Year A also identifying a Web site in Year B. For example, 56% of the IP addresses identifying a Web site in the 1998 sample also identified one in the 1999 sample.
All sites
| |
1998 |
1999 |
2000 |
2001 |
2002 |
| 1998 |
100% |
56% |
35% |
25% |
13% |
| 1999 |
NA |
100% |
55% |
37% |
19% |
| 2000 |
NA |
NA |
100% |
55% |
33% |
| 2001 |
NA |
NA |
NA |
100% |
51% |
| 2002 |
NA |
NA |
NA |
NA |
100% |
Public sites
| |
1998 |
1999 |
2000 |
2001 |
2002 |
| 1998 |
100% |
52% |
28% |
15% |
8% |
| 1999 |
NA |
100% |
50% |
27% |
14% |
| 2000 |
NA |
NA |
100% |
47% |
26% |
| 2001 |
NA |
NA |
NA |
100% |
46% |
| 2002 |
NA |
NA |
NA |
NA |
100% |
|
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