Analyzing the Evolution and the Future of the Internet Topology Focusing on Flow Hierarchy

Table 7

The number of modules in each CL derived by the Infomap method.

Year	CL1	CL2	CL3
2000	445	573	4
2002	752	950	19
2004	887	1313	53
2006	1127	1625	25
2008	1379	2221	42
2010	1757	2604	49
2012	1991	3177	64