| Categories | 1994-1996 | 1997-2000 | 2001 | 2002 | 2003-2007 | 2008-now |
| business tax | 5% | 8% | 7% | 6% | 5% | 5% |
| corporate income tax | 55% | 33% | 33% | 33% | 33% | 25% |