Market Share for Each Source in 1997

Rank	Source	Movies	1997 Gross	Tickets	Share
1	Original Screenplay	158	$2,896,963,697	631,146,780	46.64%
2	Based on Book/Short Story	52	$1,248,683,091	272,044,248	20.11%
3	Sequel	18	$622,004,235	135,512,902	10.01%
4	Based on Real Life Events	25	$437,202,926	95,251,181	7.04%
5	Based on Comic/Graphic Novel	3	$306,773,549	66,835,196	4.94%
6	Based on TV	9	$284,074,569	61,889,884	4.57%
7	Remake	5	$243,125,332	52,968,481	3.91%
8	Based on Play	12	$58,417,126	12,727,044	.94%
9	Based on Musical/Opera	1	$47,821,442	10,418,615	.77%
10	Based on Magazine Article	1	$41,263,140	8,989,791	.66%
11	Based on Short Film	1	$24,475,416	5,332,335	.39%