| Maintenance of roads, total | 100.0 | 101.4 | 102.4 | 102.8 | 103.7 | 105.5 | 107.1 | 107.8 | 109.0 | 5.1 | 1.1 | 
 | Maintenance of roads, total, materials | 100.0 | 104.2 | 105.7 | 103.3 | 105.2 | 112.3 | 115.7 | 117.0 | 119.2 | 13.3 | 1.9 | 
 | Maintenance of roads, total, machinery1 | 100.0 | 101.5 | 103.2 | 103.4 | 103.6 | 104.2 | 105.7 | 105.2 | 106.3 | 2.6 | 1.0 | 
 | Maintenance of roads, total, labour costs | 100.0 | 100.3 | 100.4 | 102.5 | 103.2 | 102.9 | 103.0 | 104.9 | 104.8 | 1.6 | -0.1 | 
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 | Asphalt work | 100.0 | 102.3 | 103.8 | 102.3 | 103.6 | 109.6 | 112.6 | 114.1 | 116.4 | 12.4 | 2.0 | 
 | Asphalt work, materials | 100.0 | 104.7 | 106.8 | 102.7 | 105.2 | 117.3 | 122.4 | 125.2 | 128.8 | 22.4 | 2.9 | 
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 | Maintenance in wintertime | 100.0 | 101.0 | 102.3 | 103.1 | 103.8 | 104.7 | 106.0 | 106.1 | 107.2 | 3.3 | 1.0 | 
 | Maintenace in wintertime, materials | 100.0 | 101.9 | 102.8 | 101.3 | 102.3 | 103.9 | 103.3 | 103.1 | 103.7 | 1.4 | 0.6 | 
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