2

0

0

9

0

0

4

1

1

7

0

0

13

0

3

4

0

2

0

2

4

0

0

0

7

1

1

2

1

2

0

0

1

0

0

2

0

0

1

0

1

2

0

2

2

0

1

2

0

0

1

0

1

2

0

0

1

0

0

3