Year	% of tax revenue
1984	4.076829638627391
1985	4.108488817496602
1986	4.87372497681776
1987	5.4379274066280905
1988	4.147225255633873
1994	13.06734992679356
1995	7.6282275512715865
1996	6.935668388021083
1997	6.489999542313149
1998	4.816588746853238
1999	4.591748803847385
2000	3.9685227926175077
2001	3.2043670558234054
2002	2.750341782239021
2003	2.6762203946207332
2004	1.0403076523746746