下表是我国古代某地的居民职业结构表。该表格<table align="left" style="BORDER-TOP: medium none; BORDER-RIGHT: medium none; BORDER-COLLAPSE: collapse; BORDER-BOTTOM: medium none; MARGIN: auto auto auto 26.4pt; BORDER-LEFT: medium none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext" border="1" cellspacing="0" cellpadding="0" _dj="MsoNormalTable"><tbody><tr style="HEIGHT: 25.55pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes"><td width="106" style="BORDER-TOP: windowtext 1pt solid; HEIGHT: 25.55pt; BORDER-RIGHT: windowtext 1pt solid; WIDTH: 79.85pt; BORDER-BOTTOM: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-TOP: 0cm; PADDING-LEFT: 5.4pt; BORDER-LEFT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt"> </td><td width="107" style="BORDER-TOP: windowtext 1pt solid; HEIGHT: 25.55pt; BORDER-RIGHT: windowtext 1pt solid; WIDTH: 79.95pt; BORDER-BOTTOM: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-TOP: 0cm; PADDING-LEFT: 5.4pt; BORDER-LEFT: #000000; PADDING-RIGHT: 5.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt">自耕农和地主</td><td width="78" style="BORDER-TOP: windowtext 1pt solid; HEIGHT: 25.55pt; BORDER-RIGHT: windowtext 1pt solid; WIDTH: 58.45pt; BORDER-BOTTOM: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-TOP: 0cm; PADDING-LEFT: 5.4pt; BORDER-LEFT: #000000; PADDING-RIGHT: 5.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt">佃农</td><td width="135" style="BORDER-TOP: windowtext 1pt solid; HEIGHT: 25.55pt; BORDER-RIGHT: windowtext 1pt solid; WIDTH: 101.5pt; BORDER-BOTTOM: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-TOP: 0cm; PADDING-LEFT: 5.4pt; BORDER-LEFT: #000000; PADDING-RIGHT: 5.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt">手工工场主和雇主</td><td width="107" style="BORDER-TOP: windowtext 1pt solid; HEIGHT: 25.55pt; BORDER-RIGHT: windowtext 1pt solid; WIDTH: 79.95pt; BORDER-BOTTOM: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-TOP: 0cm; PADDING-LEFT: 5.4pt; BORDER-LEFT: #000000; PADDING-RIGHT: 5.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt">商人</td></tr><tr style="HEIGHT: 22.9pt; mso-yfti-irow: 1; mso-yfti-lastrow: yes"><td width="106" style="BORDER-TOP: #000000; HEIGHT: 22.9pt; BORDER-RIGHT: windowtext 1pt solid; WIDTH: 79.85pt; BORDER-BOTTOM: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-TOP: 0cm; PADDING-LEFT: 5.4pt; BORDER-LEFT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt">占总人口比例</td><td width="107" style="BORDER-TOP: #000000; HEIGHT: 22.9pt; BORDER-RIGHT: windowtext 1pt solid; WIDTH: 79.95pt; BORDER-BOTTOM: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-TOP: 0cm; PADDING-LEFT: 5.4pt; BORDER-LEFT: #000000; PADDING-RIGHT: 5.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt">24%</td><td width="78" style="BORDER-TOP: #000000; HEIGHT: 22.9pt; BORDER-RIGHT: windowtext 1pt solid; WIDTH: 58.45pt; BORDER-BOTTOM: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-TOP: 0cm; PADDING-LEFT: 5.4pt; BORDER-LEFT: #000000; PADDING-RIGHT: 5.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt">36%</td><td width="135" style="BORDER-TOP: #000000; HEIGHT: 22.9pt; BORDER-RIGHT: windowtext 1pt solid; WIDTH: 101.5pt; BORDER-BOTTOM: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-TOP: 0cm; PADDING-LEFT: 5.4pt; BORDER-LEFT: #000000; PADDING-RIGHT: 5.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt">30%</td><td width="107" style="BORDER-TOP: #000000; HEIGHT: 22.9pt; BORDER-RIGHT: windowtext 1pt solid; WIDTH: 79.95pt; BORDER-BOTTOM: windowtext 1pt solid; PADDING-BOTTOM: 0cm; PADDING-TOP: 0cm; PADDING-LEFT: 5.4pt; BORDER-LEFT: #000000; PADDING-RIGHT: 5.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt">10%</td></tr></tbody></table>①可用于研究唐宋时期的经济发展状况    ②表明手工业经营方式出现了新变化③表明自然经济开始解体        ④体现出商品经济的新发展