Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Stage | Date | Route | Terrain | Length | Winner |
| --- | --- | --- | --- | --- | --- |
| P | 1 July | Fontenay-sous-Bois | Individual time trial | 6 km (3.7 mi) | Eric Vanderaerden (BEL) |
| 1 | 2 July | Nogent-sur-Marne – Créteil | Plain stage | 163 km (101 mi) | Frits Pirard (NED) |
| 2 | 3 July | Soissons – Fontaine-au-Pire | Team time trial | 100 km (62 mi) | Mercier |
| 3 | 4 July | Valenciennes – Roubaix | Hilly stage | 152 km (94 mi) | Rudy Matthijs (BEL) |
| 4 | 5 July | Roubaix – Le Havre | Plain stage | 300 km (190 mi) | Serge Demierre (SUI) |
| 5 | 6 July | Le Havre – Le Mans | Plain stage | 257 km (160 mi) | Dominique Gaigne (FRA) |
| 6 | 7 July | Châteaubriant – Nantes | Individual time trial | 58 km (36 mi) | Bert Oosterbosch (NED) |
| 7 | 8 July | Nantes – Île d'Oléron | Plain stage | 216 km (134 mi) | Riccardo Magrini (ITA) |
| 8 | 9 July | La Rochelle – Bordeaux | Plain stage | 222 km (138 mi) | Bert Oosterbosch (NED) |
| 9 | 10 July | Bordeaux – Pau | Plain stage | 207 km (129 mi) | Philippe Chevallier (FRA) |
| 10 | 11 July | Pau – Bagnères-de-Luchon | Stage with mountain(s) | 201 km (125 mi) | Robert Millar (GBR) |
| 11 | 12 July | Bagnères-de-Luchon – Fleurance | Plain stage | 177 km (110 mi) | Régis Clère (FRA) |
| 12 | 13 July | Fleurance – Roquefort-sur-Soulzon | Plain stage | 261 km (162 mi) | Kim Andersen (DEN) |
| 13 | 14 July | Roquefort-sur-Soulzon – Aurillac | Hilly stage | 210 km (130 mi) | Henk Lubberding (NED) |
| 14 | 15 July | Aurillac – Issoire | Hilly stage | 149 km (93 mi) | Pierre Le Bigaut (FRA) |
| 15 | 16 July | Clermont-Ferrand – Puy de Dôme | Individual time trial | 16 km (9.9 mi) | Ángel Arroyo (ESP) |
| 16 | 17 July | Issoire – Saint-Étienne | Hilly stage | 144 km (89 mi) | Michel Laurent (FRA) |
| 17 | 18 July | La Tour-du-Pin – Alpe d'Huez | Stage with mountain(s) | 223 km (139 mi) | Peter Winnen (NED) |
| 18 | 20 July | Le Bourg-d'Oisans – Morzine | Stage with mountain(s) | 247 km (153 mi) | Jacques Michaud (FRA) |
| 19 | 21 July | Morzine – Avoriaz | Individual time trial | 15 km (9.3 mi) | Lucien Van Impe (BEL) |
| 20 | 22 July | Morzine – Dijon | Plain stage | 291 km (181 mi) | Philippe Leleu (FRA) |
| 21 | 23 July | Dijon | Individual time trial | 50 km (31 mi) | Laurent Fignon (FRA) |
| 22 | 24 July | Alfortville – Paris (Champs-Élysées) | Plain stage | 195 km (121 mi) | Gilbert Glaus (SUI) |
Question:
what was the total number of days for the tour?
Answer:
23