MSCs of 05C Articles (as of 4/2007)
1	05C15 - Coloring	4050
2	05C35 - Extremal	2905
3	05C70 - Factorization	2705
4	05C99 - Misc.	2306
5	05C10 - Embedding	2157
6	05C20 - Digraphs	2111
7	05C75 - Structure	1877
8	05C38 - Paths, Cycles	1647
9	05C50 - Matrices	1520
10	05C05 - Trees	1506
11	05C25 - Algebraic	1430
12	05C85 - Algorithms	1381
13	05C45 - Euler/Hamilton	1318
14	05Cxx - General	1215
15	05C40 - Connectivity	1102
16	05C30 - Enumeration	1066
17	05C69 - Domination *	912
18	05C78 - Labelling	899
19	05C80 - Random	799
20	05C55 - Ramsey	769
21	05C65 - Hypergraphs	637
22	05C12 - Distance	602
23	05C60 - Isomorphism	372
24	05C90 - Applications	243
25	05C62 - Representations *	177
26	05C07 - Degrees *	120
27	05C17 - Perfect *	80
28	05C83 - Minors *	57
29	05C22 - Signed *	26