<ARTICLE> 5

                                                  
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          JUN-30-2000             JUN-30-1999
<PERIOD-START>                             JUL-01-1999             JUL-01-1998
<PERIOD-END>                               JUN-30-2000             JUN-30-1999
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<SECURITIES>                                         0                       0
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<PP&E>                                     134,403,034             119,601,748
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<BONDS>                                              0                       0
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<PREFERRED>                                          0                       0
<COMMON>                                       331,826                 329,993
<OTHER-SE>                                 190,774,067             194,191,453
<TOTAL-LIABILITY-AND-EQUITY>               353,001,893             343,585,401
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<CGS>                                      196,519,907             186,486,458
<TOTAL-COSTS>                              205,229,802             186,486,458
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<LOSS-PROVISION>                                     0                       0
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<DISCONTINUED>                                       0                       0
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<CHANGES>                                            0                       0
<NET-INCOME>                                 5,752,284              23,061,484
<EPS-BASIC>                                       0.19                    0.73
<EPS-DILUTED>                                     0.19                    0.72