| Shares | 2011 | 2010 | 2009 | 2008 | 2007 | |||||
| Registered | No. of Persons | % | No. of Persons | % | No. of Persons | % | No. of Persons | % | No. of Persons | % |
| Below 1000 | 11,381,799 | 38.42 | 11,541,216 | 39.13 | 11,108,312 | 38.14 | 10,690,799 | 39.78 | 10,534,404 | 41.73 |
| 1,001~5,000 | 11,938,615 | 40.30 | 11,542,558 | 39.13 | 11,351,667 | 38.98 | 10,608,135 | 39.48 | 9,393,340 | 37.20 |
| 5,001~10,000 | 2,891,632 | 9.76 | 2,862,899 | 9.70 | 2,931,432 | 10.07 | 2,621,482 | 9.76 | 2,464,956 | 9.76 |
| 10,001~15,000 | 1,071,305 | 3.62 | 1,065,572 | 3.61 | 1,154,635 | 3.96 | 966,246 | 3.60 | 941,695 | 3.73 |
| 15,001~20,000 | 629,710 | 2.13 | 631,709 | 2.14 | 644,112 | 2.21 | 563,855 | 2.10 | 532,257 | 2.11 |
| Above 20,001 | 1,710,210 | 5.77 | 1,855,605 | 6.29 | 1,932,848 | 6.64 | 1,420,051 | 5.28 | 1,381,477 | 5.47 |
| Total | 29,623,271 | 100.00 | 29,499,559 | 100.00 | 29,123,006 | 100.00 | 26,870,568 | 100.00 | 25,248,129 | 100.00 |