year	total articles	urls per article	total urls	available	unavailable
1995	19	5.6	106	51	55
1996	55	13.8	761	476	285
1997	59	8.4	498	268	230
1998	51	11.0	560	368	192
1999	50	12.5	624	444	180
2000	48	12.2	584	441	143
2001	45	13.9	626	489	137
2002	49	14.1	690	597	93
2003	52	13.8	719	651	68
2004	25	15.0	376	355	21