Variable | Obs Mean Std. Dev. Min Max
-------------+---------------------------------------------------------
diff | 1,947 9.667694 10.76866 0 78
diff | Freq. Percent Cum.
------------+-----------------------------------
0 | 103 5.29 5.29
1 | 165 8.47 13.76
2 | 163 8.37 22.14
3 | 170 8.73 30.87
4 | 150 7.70 38.57
5 | 147 7.55 46.12
6 | 122 6.27 52.39
7 | 108 5.55 57.94
8 | 101 5.19 63.12
9 | 74 3.80 66.92
10 | 65 3.34 70.26
11 | 56 2.88 73.14
12 | 57 2.93 76.07
13 | 42 2.16 78.22
14 | 43 2.21 80.43
15 | 36 1.85 82.28
16 | 26 1.34 83.62
17 | 24 1.23 84.85
18 | 24 1.23 86.08
19 | 23 1.18 87.26
20 | 17 0.87 88.14
21 | 16 0.82 88.96
22 | 11 0.56 89.52
23 | 13 0.67 90.19
24 | 8 0.41 90.60
25 | 12 0.62 91.22
26 | 11 0.56 91.78
27 | 15 0.77 92.55
28 | 7 0.36 92.91
29 | 15 0.77 93.68
30 | 4 0.21 93.89
31 | 4 0.21 94.09
32 | 7 0.36 94.45
33 | 5 0.26 94.71
34 | 15 0.77 95.48
35 | 3 0.15 95.63
36 | 5 0.26 95.89
37 | 8 0.41 96.30
38 | 4 0.21 96.51
39 | 9 0.46 96.97
40 | 2 0.10 97.07
41 | 1 0.05 97.12
42 | 8 0.41 97.53
43 | 3 0.15 97.69
44 | 5 0.26 97.95
45 | 1 0.05 98.00
46 | 7 0.36 98.36
48 | 3 0.15 98.51
49 | 4 0.21 98.72
50 | 4 0.21 98.92
51 | 3 0.15 99.08
52 | 1 0.05 99.13
53 | 1 0.05 99.18
54 | 3 0.15 99.33
55 | 2 0.10 99.44
56 | 1 0.05 99.49
57 | 1 0.05 99.54
60 | 1 0.05 99.59
61 | 1 0.05 99.64
62 | 2 0.10 99.74
63 | 2 0.10 99.85
64 | 1 0.05 99.90
67 | 1 0.05 99.95
78 | 1 0.05 100.00
------------+-----------------------------------
Total | 1,947 100.00