| Maintenance of roads, total | 111.7 | 112.4 | 113.1 | 115.5 | 118.0 | 122.0 | 124.4 | 127.5 | 131.7 | 11.6 | 3.3 | 
 | Maintenance of roads, total, materials | 121.9 | 119.3 | 117.7 | 125.0 | 128.9 | 135.0 | 137.9 | 144.0 | 158.5 | 23.0 | 10.1 | 
 | Maintenance of roads, total, machinery1 | 109.0 | 108.3 | 110.2 | 111.0 | 114.2 | 120.1 | 123.9 | 127.7 | 128.2 | 12.3 | 0.4 | 
 | Maintenance of roads, total, labour costs | 107.6 | 111.2 | 112.9 | 115.2 | 116.9 | 119.6 | 121.0 | 122.6 | 124.1 | 6.2 | 1.2 | 
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 | Asphalt work | 119.4 | 118.0 | 116.1 | 122.1 | 125.9 | 132.1 | 134.7 | 140.2 | 152.0 | 20.7 | 8.4 | 
 | Asphalt work, materials | 132.2 | 127.3 | 122.1 | 134.0 | 139.7 | 149.2 | 152.0 | 161.8 | 184.7 | 32.2 | 14.2 | 
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 | Maintenance in wintertime | 109.9 | 110.6 | 112.0 | 112.5 | 115.0 | 118.4 | 120.9 | 123.6 | 125.1 | 8.8 | 1.2 | 
 | Maintenance in wintertime, materials | 105.4 | 105.9 | 107.1 | 106.7 | 107.4 | 109.2 | 114.4 | 113.8 | 114.0 | 6.1 | 0.2 | 
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