Obs  POP    AR   RDR   HR   VH   F  IND
  1 100000  13.6 2718  18.5  22  .25  1
  2   8872   2.3  250  12.0   3  .35  0
  3  17338   4.3  350  12.0   2  .60  1
  4  26170   4.6  186  12.0   4  .50  0
  5  60000  17.0  600  12.0  14  .50  0
  6  40000   7.0  420  12.0   5  .50  1
  7  30850   3.9  249  12.0   2  .50  1
  8  25000   6.5  350  13.0   8  .25  0
  9  44000  10.9  925  24.0  19  .30  0
 10  24300   6.4  514  24.0  12  .60  0
 11  21455   2.6  117   8.0   4  .50  0
 12  47000   7.0  450  12.0   7  .50  0
 13  45000   7.0  275  12.0   5  .50  0
 14  23000   6.0  360  12.0   6  .25  1
 15  20476   3.8  307  11.0   4  .50  1
 16  20504   5.1  227  12.0   5  .50  0
 17  71901  15.8  208  12.0   4  .60  0
 18  70000  12.0  700  16.3  13 1.00  0
 19  30000  10.0  440  12.0   7 1.00  0
 20  26689   3.5  275  15.0   4  .01  1
 21   9790   4.6  201  15.5   3  .50  0
 22  19805  10.4  314  14.0   5  .50  1
 23   5321   4.7   95  15.0   2  .50  0
 24  56828  51.6  679  12.0  15  .60  1
 25  11995   5.1  224  12.0   4  .50  0
 26  10490   6.1  277  12.0   4  .50  1
 27   7883   4.1   67  10.0   2  .50  0
 28   3025   2.4   83   8.0   2  .50  0
 29  17074   7.5  245  12.0   4  .50  1
 30   7728   4.3  148  12.0   3  .50  0
 31  27137  14.2  266  12.0   6  .50  0
 32  12287   4.1  270  12.0   4  .50  1
 33  24090 568.0   56  10.5   3  .50  0
 34   9521   4.3  236  12.0   4  .50  1
 35  18404 408.0  251  12.0   5  .50  1
 36   7253   4.6  150  12.0   3  .50  0
 37  28500  10.0  370  10.0   5  .25  1
 38  35176  24.9  464  16.8  10  .50  0
 39  12988   5.2  260  12.0   5  .50  0
 40   9892 251.0   63  12.0   3  .50  0
 41  15136  15.7  341  14.5   6  .50  1
 42  26321  17.8  222  12.0   6  .50  0
 43  18000  10.0  200  10.0   3  .50  1
 44   9500   5.5  228  11.5   3  .25  1
 45  27600   9.0  900  12.0   4  .10  1
 46  24127   7.2  199  12.0   6  .60  0
 47  14000   4.0  600  20.0   6  .25  1
 48  53860   3.0  300  17.0  10  .01  0
 49  18000  28.0  310  14.5   9  .25  0
 50  29103   2.5  369  15.2   4  .20  1
 51 102711   9.5  400  16.0  11  .01  0
 52  25000   5.0  140   5.0   2  .35  1
 53  32000   5.0 3400  18.7  12  .35  1
 54  35000   7.0  200   4.0   4  .35  1