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<TABLE> <S> <C>
<ARTICLE> 5
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 10,502,739
<SECURITIES> 0
<RECEIVABLES> 16,545,423
<ALLOWANCES> (2,840,595)
<INVENTORY> 2,457,628
<CURRENT-ASSETS> 28,959,376
<PP&E> 57,529,593
<DEPRECIATION> (23,713,690)
<TOTAL-ASSETS> 75,310,344
<CURRENT-LIABILITIES> 14,629,251
<BONDS> 0
0
0
<COMMON> 400,257
<OTHER-SE> 51,499,694
<TOTAL-LIABILITY-AND-EQUITY> 75,310,334
<SALES> 32,231,028
<TOTAL-REVENUES> 32,231,028
<CGS> 27,214,013
<TOTAL-COSTS> 27,214,013
<OTHER-EXPENSES> (12,672,721)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 654,480
<INCOME-PRETAX> 17,035,256
<INCOME-TAX> 573,179
<INCOME-CONTINUING> 16,462,077
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 16,462,077
<EPS-BASIC> 4.16
<EPS-DILUTED> 3.81
</TABLE>
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