options granted
| Class A | Class B | Deficit ($) | Options Granted | %Granted / Outstanding | Exercised A | Exercised B | Cancelled | Balance Issued | Weighted Average ($) | |
| 1,560,000 | ||||||||||
| 1988 | 1,660,000 | $326,832 | ||||||||
| 1989 | 1,750,640 | $1,309,018 | ||||||||
| 1990 | 1,882,640 | $2,487,147 | ||||||||
| 1991 | 1,994,240 | $3,496,515 | 10,000 | 0.5% | 10,000 | $5.01 | ||||
| 1992 | 2,800,899 | $7,679,153 | 272,250 | 9.7% | 282,250 | $3.60 | ||||
| 1993 | 3,018,792 | $11,638,487 | 316,395 | 10.5% | 598,645 | $6.60 | ||||
| 1994 | 1,242,733 | 3,252,432 | $15,909,988 | 103,333 | 2.3% | 36,167 | 665,879 | $6.81 | ||
| 1995 | 2,205,206 | 2,527,713 | $22,742,854 | 259,283 | 5.5% | 227,233 | 116,402 | 581,527 | $8.76 | |
| 1996 | 4,151,801 | 2,069,380 | $31,426,669 | 447,358 | 7.2% | 71,364 | 167,960 | 789,562 | $8.37 | |
| 1997 | 8,384,226 | 1,473,984 | $50,882,035 | 235,971 | 2.4% | 23,442 | 3,443 | 225,580 | 776,511 | $7.14 |
| 1998 | 10,227,657 | 1,046,888 | $65,214,601 | 1,918,964 | 17.0% | 26,218 | 235,795 | 2,433,463 | $7.20 | |
| 1999 | 13,148,561 | 683,502 | $93,267,173 | 641,816 | 4.6% | 321,333 | 150,126 | 2,603,819 | $12.99 | |
| 2000 | 15,683,732 | 259,737 | $140,923,066 | 1,148,012 | 7.2% | 676,986 | 301,163 | 2,773,131 | $23.70 | |
| 2001 | 16,665,502 | 119,028 | $189,624,123 | 978,091 | 5.8% | 157,837 | 376,109 | 3,217,275 | $20.55 | |
| 2002 | 17,257,306 | 108,075 | $233,091,528 | 535,986 | 3.1% | 14,184 | 344,663 | 3,394,414 | $17.82 | |
| 2003 | 22,376,035 | 68,575 | $252,686,326 | 762,557 | 3.4% | 446,913 | 529,832 | 3,180,226 | $15.09 | |
| 2004 | 25,392,539 | 68,575 | $267,184,364 | 781,513 | 3.1% | 10,936 | 171,785 | 3,779,018 | $12.60 | |
| 2005 | 31,113,918 | 58,575 | $284,746,826 | 503,208 | 1.6% | 159,356 | 4,122,870 | $11.46 | ||
| 2006 | 42,203,773 | 39,232 | $303,532,099 | 1,048,517 | 2.5% | 345,459 | 4,825,928 | $8.97 | ||
| 2007 | 49,744,327 | 38,232 | $323,484,000 | 2,313,667 | 4.7% | 3,315 | 219,802 | 6,916,478 | $6.80 | |
| 2008 | 58,877,968 | 38,232 | $344,689,864 | 932,300 | 1.6% | 1,320,482 | 6,528,296 | $6.24 | ||
| 2009 | 78,459,621 | 38,232 | $348,036,115 | 3,242,900 | 4.1% | 693,719 | 9,077,477 | $4.12 | ||
| 2010 | 82,307,004 | 35,556 | $352,158,932 | 2,457,050 | 3.0% | 888,445 | 603,750 | 10,042,332 | $2.47 | |