| FEDERAL RETURN DATA | |||||
| STATISTICAL DISTRIBUTION OF AGI, PERSONAL EXEMPTIONS AND FEDERAL TAXES | |||||
| 2001 | |||||
| ALL | SINGLE | HEAD OF | MARRIED | MARRIED | |
| HOUSEHOLD | JOINT | SEPARATE | |||
| ADJUSTED GROSS INCOME | |||||
| NUMBER OF NONMISSING VALUES | 936,965 | 392,528 | 89,285 | 442,471 | 12,681 |
| THE MEAN | $42,412 | $19,584 | $26,287 | $66,226 | $31,656 |
| THE SUM | $39,738,939,853 | $7,687,260,749 | $2,347,022,511 | $29,303,226,440 | $401,430,153 |
| THE STANDARD DEVIATION | $184,167 | $65,652 | $76,260 | $255,396 | $133,826 |
| THE UPPER QUARTILE | $53,899 | $25,467 | $32,470 | $75,649 | $35,829 |
| THE MEDIAN | $27,958 | $13,054 | $20,881 | $51,259 | $21,618 |
| THE LOWER QUARTILE | $12,169 | $5,531 | $12,712 | $31,420 | $10,924 |
| THE 90TH PERCENTILE | $84,097 | $41,490 | $48,094 | $108,579 | $53,435 |
| THE 10TH PERCENTILE | $4,495 | $2,309 | $7,079 | $17,773 | $4,624 |
| PERSONAL EXEMPTIONS | |||||
| NUMBER OF NONMISSING VALUES | 936,965 | 392,528 | 89,285 | 442,471 | 12,681 |
| THE MEAN | 2.25 | 0.78 | 2.58 | 3.51 | 1.45 |
| THE SUM | 2,106,532 | 306,279 | 230,218 | 1,551,608 | 18,427 |
| THE STANDARD DEVIATION | 2 | 1 | 1 | 2 | 1 |
| THE UPPER QUARTILE | 3 | 1 | 3 | 4 | 2 |
| THE MEDIAN | 2 | 1 | 2 | 3 | 1 |
| THE LOWER QUARTILE | 1 | 0 | 2 | 2 | 1 |
| THE 90TH PERCENTILE | 5 | 1 | 4 | 6 | 3 |
| THE 10TH PERCENTILE | 0 | 0 | 2 | 2 | 1 |
| FEDERAL INCOME TAX | |||||
| NUMBER OF NONMISSING VALUES | 936,965 | 392,528 | 89,285 | 442,471 | 12,681 |
| THE MEAN | $4,854 | $2,173 | $1,710 | $7,876 | $4,543 |
| THE SUM | $4,548,147,289 | $852,992,741 | $152,646,523 | $3,484,900,210 | $57,607,815 |
| THE STANDARD DEVIATION | $40,414 | $14,457 | $14,135 | $56,287 | $40,575 |
| THE UPPER QUARTILE | $4,312 | $2,396 | $1,796 | $6,907 | $3,341 |
| THE MEDIAN | $1,391 | $583 | $41 | $3,140 | $1,414 |
| THE LOWER QUARTILE | $0 | $0 | $0 | $432 | $141 |
| THE 90TH PERCENTILE | $9,678 | $4,862 | $4,109 | $14,678 | $7,563 |
| THE 10TH PERCENTILE | $0 | $0 | $0 | $0 | $0 |