| Detached houses of wood |  |  | 
 | Detached houses of wood, total | 131.5 | 139.1 | 
 | Detached houses of wood, total, materials | 133.1 | 140.1 | 
 |  |  |  | 
 | Stone, clay and cement work | 131.0 | 141.4 | 
 | Stone, clay and cement work, materials | 136.0 | 144.3 | 
 |  |  |  | 
 | Site preparation | 124.1 | 139.7 | 
 | Site preparation, materials | 128.4 | 138.6 | 
 |  |  |  | 
 | Other work | 131.9 | 139.0 | 
 | Other work, materials | 132.6 | 139.5 | 
 |  |  |  | 
 | Carpentering | 129.6 | 136.4 | 
 | Carpentering, materials | 129.1 | 135.1 | 
 |  |  |  | 
 | Painting, paperhanging and floor coating | 121.4 | 126.5 | 
 | Painting, paperhanging and floor coating, materials | 113.4 | 117.1 | 
 |  |  |  | 
 | Plumbing | 144.6 | 153.8 | 
 | Plumbing, materials | 154.1 | 165.3 | 
 |  |  |  | 
 | Electrician installation work | 155.2 | 166.9 | 
 | Electrician installation work, materials | 179.6 | 196.9 | 
 |  |  |  | 
 | Multi-dwelling houses |  |  | 
 | Multi-dwelling houses, total | 132.2 | 140.5 | 
 | Multi-dwelling houses, total, materials | 137.3 | 145.7 | 
 |  |  |  | 
 | Site preparation | 123.2 | 138.5 | 
 | Site preparation, materials | 129.4 | 142.5 | 
 |  |  |  | 
 | Carpentering | 127.9 | 134.8 | 
 | Carpentering, materials | 126.6 | 132.7 | 
 |  |  |  | 
 | Painting, paperhanging and floor coating | 123.7 | 129.3 | 
 | Painting, paperhanging and floor coating, materials | 115.0 | 119.2 | 
 |  |  |  | 
 | Plumbing | 144.4 | 153.3 | 
 | Plumbing, materials | 153.3 | 163.6 | 
 |  |  |  | 
 | Electrician installation work | 151.9 | 163.2 | 
 | Electrician installation work, materials | 178.7 | 196.3 | 
 |  |