某同学在图书馆查阅资料时，发现了中国古代某地居民的一份职业结构表： <table style="BORDER-COLLAPSE: collapse; mso-table-layout-alt: fixed; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt" border="0" cellspacing="0" cellpadding="0" _dj="MsoNormalTable"><tbody><tr style="HEIGHT: 22.2pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 135.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 22.2pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt" valign="top" width="180"> </td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 93.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 22.2pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt" valign="top" width="125">自耕农和地主</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 47.6pt; PADDING-RIGHT: 5.4pt; HEIGHT: 22.2pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt" valign="top" width="63">佃农</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 58.45pt; PADDING-RIGHT: 5.4pt; HEIGHT: 22.2pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt" valign="top" width="78">工场主</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 58.45pt; PADDING-RIGHT: 5.4pt; HEIGHT: 22.2pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt" valign="top" width="78">商人</td></tr><tr style="HEIGHT: 21.8pt; mso-yfti-irow: 1; mso-yfti-lastrow: yes"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 135.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 21.8pt; BORDER-TOP: medium none; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt" valign="top" width="180">占总人口比例</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 93.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 21.8pt; BORDER-TOP: medium none; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt" valign="top" width="125">24％</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 47.6pt; PADDING-RIGHT: 5.4pt; HEIGHT: 21.8pt; BORDER-TOP: medium none; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt" valign="top" width="63">36％</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 58.45pt; PADDING-RIGHT: 5.4pt; HEIGHT: 21.8pt; BORDER-TOP: medium none; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt" valign="top" width="78">30％</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; WIDTH: 58.45pt; PADDING-RIGHT: 5.4pt; HEIGHT: 21.8pt; BORDER-TOP: medium none; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-alt: solid windowtext .75pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt" valign="top" width="78">10％</td></tr></tbody></table>据此推断，这种职业结构最可能出现在