The maximum percentage allowable under this section shall be determined in accordance with the following table:

In the case of a pay period beginning  in fiscal year:	The maximum percentage allowable is:
2001	6
2002	7
2003	8
2004	9
2005	10
2006 or thereafter	100.

Notwithstanding any limitation under this section, an eligible participant (as defined by section 414(v) of the Internal Revenue Code of 1986) may make such additional contributions to the Thrift Savings Fund as are permitted by such section 414(v) and regulations of the Executive Director consistent therewith.