| Years | net profit | output | input |
| 1997 | 3,104.00 | 122,521.00 | 125,625.00 |
| 1998 | 6,208.00 | 127,996.00 | 133,760.00 |
| 1999 | 11,972.00 | 141,488.00 | 151,145.00 |
| 2000 | 21,629.00 | 160,746.00 | 163,486.00 |
| 2001 | 24,369.00 | 153,415.00 | 154,239.00 |
| 2002 | 25,193.00 | 146,998.00 | 152,520.00 |
| 2003 | 30,715.00 | 133,219.00 | 138,985.00 |
| 2004 | 36,481.00 | 138,206.00 | 145,138.00 |
| 2005 | 43,413.00 | 147,527.00 | 151,472.00 |
| 2006 | 47,358.00 | 149,517.00 | 154,216.00 |
| 2007 | 52,057.00 | 94,007.00 | 105,504.00 |
| 2008 | 63,553.50 | 94,328.00 | 100,009.00 |
| 2009 | 69,234.50 | 94,328.00 | 100,009.00 |
| 2010 | 74,915.50 | 94,328.00 | 100,009.00 |
| 2011 | 80,596.50 | 94,328.00 | 100,009.00 |
| 2012 | 86,277.50 | 94,328.00 | 100,009.00 |
| 2013 | 91,958.50 | 94,328.00 | 100,009.00 |
| 2014 | 97,639.50 | 94,328.00 | 100,009.00 |
| 2015 | 103,320.50 | 94,328.00 | 100,009.00 |
| 2016 | 109,001.50 | 94,328.00 | 100,009.00 |
| 2017 | 114,682.50 | 94,328.00 | 100,009.00 |
| 2018 | 120,363.50 | 94,328.00 | 100,009.00 |
| 2019 | 126,044.50 | 94,328.00 | 100,009.00 |
| Final | 131,725.50 |
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