2745
21
71
2428
2
67
1756
17
67
747
7
66
1383
4
64
1750
12
64
1525
9
61
1142
10
60
863
8
57
1271
11
56
1857
5
51
1448
0
47
1798
0
43
645
20
42
884
8
42
1147
7
42
2146
0
42
1670
4
41
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Keyword(s): Mathematics