20	MS Excel 5.0
21	4
22	MS Excel 4.0
23	2
24	MS Excel 3.0
25	1
26	MS Excel 2.1
27	0
28	MS Excel for Mac 4.0
29	2M
30	MS Excel for Mac 3.0
31	MS 1M
60	XLS
61	XLS
62	XLS
63	XLS
64	XLS
65	XLS
80	1
81	1
82	0
83	0
84	1
85	0
98	1
99	Excel