pre_text: d u k e r e a l t y c o r p o r a t i o n 2 8 2 0 0 2 a n n u a l r e p o r t notes to consolidated financial statements the company recognizes income on long-term construction contracts where the company serves as a general contractor on the percentage of completion method . using this method , profits are recorded on the basis of the company 2019s estimates of the percentage of completion of individual contracts , commencing when progress reaches a point where experience is sufficient to estimate final results with reasonable accuracy . that portion of the estimated earnings is accrued on the basis of the company 2019s estimates of the percentage of completion based on contract expenditures incurred and work performed . property sales gains from sales of depreciated property are recognized in accordance with statement of financial accounting standards ( 201csfas 201d ) no . 66 , and are included in earnings from sales of land and depreciable property dispositions , net of impairment adjustment , in the statement of operations if identified as held for sale prior to adoption of sfas 144 and in discontinued operations if identified as held for sale after adoption of sfas 144 . gains or losses from the sale of property which is considered held for sale in dclp are recognized in accordance with sfas 66 and are included in construction management and development activity income in the statement of operations . net income per common share basic net income per common share is computed by dividing net income available for common shares by the weighted average number of common shares outstanding for the period . diluted net income per share is computed by dividing the sum of net income available for common shares and minority interest in earnings of unitholders , by the sum of the weighted average number of common shares and units outstanding and dilutive potential common shares for the period . the following table reconciles the components of basic and diluted net income per share ( in thousands ) : the series d convertible preferred stock and the series g convertible preferred limited partner units were anti-dilutive for the years ended december 31 , 2002 , 2001 and 2000 ; therefore , no conversion to common shares is included in weighted dilutive potential common shares . in september 2002 , the company redeemed the series g convertible preferred units at their par value of $ 35.0 million . a joint venture partner in one of the company 2019s unconsolidated companies has the option to convert a portion of its ownership to company common shares ( see discussion in investments in unconsolidated companies section ) . the effect of the option on earnings per share was dilutive for the year ended december 31 , 2001 ; therefore , conversion to common shares is included in weighted dilutive potential common shares . federal income taxes the company has elected to be taxed as a real estate investment trust ( 201creit 201d ) under the internal revenue code . to qualify as a reit , the company must meet a number of organizational and operational requirements , including a requirement that it currently distribute at least 90% ( 90 % ) of its taxable income to its stockholders . management intends to continue to adhere to these requirements and to maintain the company 2019s reit status . as a reit , the company is entitled to a tax deduction for some or all of the dividends it pays to its shareholders . accordingly , the company generally will not be subject to federal income taxes as long as it distributes an amount equal to or in excess of its taxable income currently to its stockholders . a reit generally is subject to federal income taxes on any taxable income that is not currently distributed to its shareholders . if the company fails to qualify as a reit in any taxable year , it will be subject to federal income taxes and may not be able to qualify as a reit for four subsequent taxable years . reit qualification reduces , but does not eliminate , the amount of state and local taxes paid by the company . in addition , the company 2019s financial statements include the operations of taxable corporate subsidiaries that are not entitled to a dividends paid deduction and are subject to corporate federal , state and local income taxes . as a reit , the company may also be subject to certain federal excise taxes if it engages in certain types of transactions. .
post_text: .
table: 2002 2001 2000
table: Basic net income available for common shares $161,272 $229,967 $212,958
table: Joint venture partner convertible ownership net income — 3,423 —
table: Minority interest in earnings of common unitholders 18,568 32,463 32,071
table: Diluted net income available for common shares and dilutive potential common shares $179,840 $265,853 $245,029
table: Weighted average number of common shares outstanding 133,981 129,660 126,836
table: Weighted average partnership units outstanding 15,442 18,301 19,070
table: Joint venture partner convertible ownership common share equivalents — 2,092 —
table: Dilutive shares for stock-based compensation plans 1,416 1,657 1,535
table: Weighted average number of common shares and dilutive potential common shares 150,839 151,710 147,441
question: Analyse this data from a financial earnings document. what is the percent change in basic net income available for common shares from 2001 to 2002?