Year | Sr. manager | Jr. manager | Staff | Security & service staff | Consultants | Total |
2006 | 43 | 120 | 832 | 613 | 31 | 1639 |
2007 | 45 | 160 | 902 | 618 | 25 | 1750 |
2008 | 45 | 156 | 1076 | 632 | 27 | 1936 |
2009 | 47 | 168 | 1118 | 649 | 33 | 2015 |
2010 | 66 | 207 | 1094 | 823 | 36 | 2226 |
2011 | 68 | 250 | 1270 | 795 | 30 | 2413 |
2012 | 48 | 223 | 1300 | 695 | 22 | 2288 |