category	1997	1998	1999	2000	2001	2002	2003	2004	2005
Total Expense	$21,864	$21,264	$23,792	$17,281	$15,958	$18,355	$19,648.60	$16,956.18	$16,324.50
Total Attendance	4,942	6,710	4,612	6,551	4,150	2,809	2,220	1,442	2,183
Cost/Attendee	$4.42	$3.16	$5.15	$2.63	$3.84	$9.91	$8.93	$11.76	$7.48
Total Lecturers	38	35	43	43	38	40	43	31	30
Active Lecturers	25	25	27	25	15	17	17	15	16
Total Lectures	91	82	88	72	48	63	56	25	49
Total Tours	50	50	56	48	30	40	42	28	33
Total Requests							45	50	58
Average audience size	54	82	52	90	86	44	39	58	45
Average cost/lecture	$240	$259	$270	$240	$332	$442	$350	$678.25	$333.15
Average cost/per tour	$437	$425	$425	$360	$531	$696	$436	$605.58	$494.68
Avg. eval.of Lecturer(out of 4)	3.2	3.3	3.0	3.2	3.44	3.2	3.6	2.79	3.68