At the same time, the proportion of students attending public rather than private and parochial schools jumped to 90 percent from 70 percent.

Already, the proportion of students returning after freshman year has jumped, to 71 percent this year from 56 percent four years ago.

Yes, the proportion of blacks who live in suburbs has jumped, since 1960, from 15 percent to 26; but for whites it's still half.

In addition, the proportion of second-trimester abortions jumped, to 12 percent, compared with 10.2 percent in previous months.

The proportion of foreign-born residents has jumped, too; it is near or above 20 percent in most of these counties.

In 1916, the proportion of fatalities jumped to 17%.

The proportion of criminals sentenced to prison jumped 54 percent from 1980 to 1987, the report said.

The proportion of people who view the Texas businessman unfavorably jumped from 32 percent to 41 percent in the last week.

During this time, the proportion of operating costs taken up by power jumped from 8% to 13%, including a leap from 27% to 38% for sewage treatment.

The proportion of survey respondents who thought jobs would be hard to get, which had been edging down toward the end of the year, jumped higher.