19965
20
479
15391
8
427
13229
15
360
8159
2
276
7120
14
269
7294
7
251
17609
0
228
1740
10
138
2192
10
131
3154
24
110
3103
10
106
2830
24
104
1492
8
98
1130
16
96
1873
21
90
1303
12
85
1768
19
83
1298
21
76
1279
3
75
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Keyword(s): mathematics