20
17
14
14
12
12
10
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9
9
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7
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5
5
5
4
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4
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4
3
3
3
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3
3
3
3
3
3
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3
3
2
2
2
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2
2
2
2
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2
2
2
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2
2
2
2
2
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2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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1
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1
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