Year	% of tax revenue
1993	5.298217479800161
1994	10.806126561870213
1995	3.4927887583925337
1996	3.382930035648197
1997	3.0908207416188462
1998	2.460387651504793
1999	1.9781441860382751
2000	1.527268165710164
2001	1.4088346879331384
2002	1.3606156214561942
2003	1.4319824859150425
2004	0.7110310588163259