Frequencies for first 10,000 rows of race variable in morg03 dataset :

                                Race |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                          White Only |      8,100       81.00       81.00
                          Black Only |      1,045       10.45       91.45
American Indian, Alaskan Native Only |        105        1.05       92.50
                          Asian Only |        498        4.98       97.48
      Hawaiian/Pacific Islander Only |         77        0.77       98.25
                         White-Black |         19        0.19       98.44
                            White-AI |         86        0.86       99.30
                         White-Asian |         26        0.26       99.56
                      White-Hawaiian |         13        0.13       99.69
                            Black-AI |          5        0.05       99.74
                            Asian-HP |         16        0.16       99.90
                              W-B-AI |          1        0.01       99.91
                              W-AI-A |          1        0.01       99.92
                        2 or 3 Races |          7        0.07       99.99
                        4 or 5 Races |          1        0.01      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Mar 2017