Who is the most constant rider in Tour de France 1977?

Most constant rider

Rider with the smallest difference in best and worst result.

#	Rider	Difference	Best result	Worst result
1	Kuiper Hennie	51	1	52
2	Thurau Dietrich	52	1	53
3	Legeay Roger	52	5	57
4	Martins José Freitas	57	7	64
5	Meslet Alain	58	1	59
6	Villemiane Pierre-Raymond	60	1	61
7	Galdos Francisco	62	4	66
8	Hoban Barry	62	3	65
9	Zoetemelk Joop	64	1	65
10	Esclassan Jacques	66	1	67
11	Van Impe Lucien	67	1	68
12	Torres Pedro	68	10	78
13	Laurent Michel	69	2	71
14	Seznec Christian	71	6	77
15	Aja Gonzalo	71	8	79
16	Vallet Bernard	72	6	78
17	López Vicente	73	3	76
18	Merckx Eddy	74	1	75
19	Julien Ferdinand	76	7	83
20	Martinez Enrique	77	9	86
21	Danguillaume Jean-Pierre	77	1	78
22	Lubberding Henk	77	3	80
23	Cavalcanti Giovanni	80	8	88
24	Mendes Fernando dos Reis Dias	80	6	86
25	Ocaña Luis	83	4	87
26	Berland Roland	83	4	87
27	Balagué Luis	84	10	94
28	Chalmel André	84	5	89
29	Santambrogio Giacinto	84	1	85
30	Pronk Bert	85	2	87
31	Sibille Guy	85	2	87
32	Cima José Enrique	86	9	95
33	Martin Raymond	86	6	92
34	Gandarias Andrés	87	10	97
35	Delisle Raymond	87	6	93
36	Agostinho Joaquim	88	1	89
37	Singer Willy	88	8	96
38	Plet Eugène	88	7	95
39	Thévenet Bernard	88	1	89
40	Loysch Roger	89	4	93
41	Knetemann Gerrie	89	1	90
42	Ovion Régis	89	2	91
43	Huysmans Jos	90	1	91
44	Le Denmat Michel	91	7	98
45	Bal Kees	91	1	92
46	De Cauwer José	92	2	94
47	Karstens Gerben	92	2	94
48	Janssens Ward	93	1	94
49	Bouloux Robert	93	1	94
50	Bourreau Bernard	94	2	96