| Maintenance of roads, total | 102.8 | 103.7 | 105.5 | 107.1 | 107.8 | 109.0 | 110.5 | 111.7 | 112.4 | 4.3 | 0.6 | 
 | Maintenance of roads, total, materials | 103.3 | 105.2 | 112.3 | 115.7 | 117.0 | 119.2 | 122.7 | 121.9 | 119.3 | 2.0 | -2.1 | 
 | Maintenance of roads, total, machinery1 | 103.4 | 103.6 | 104.2 | 105.7 | 105.2 | 106.3 | 106.7 | 109.0 | 108.3 | 2.9 | -0.6 | 
 | Maintenance of roads, total, labour costs | 102.5 | 103.2 | 102.9 | 103.0 | 104.9 | 104.8 | 106.0 | 107.6 | 111.2 | 6.0 | 3.3 | 
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 | Asphalt work | 102.3 | 103.6 | 109.6 | 112.6 | 114.1 | 116.4 | 119.4 | 119.4 | 118.0 | 3.4 | -1.2 | 
 | Asphalt work, materials | 102.7 | 105.2 | 117.3 | 122.4 | 125.2 | 128.8 | 134.0 | 132.2 | 127.3 | 1.7 | -3.7 | 
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 | Maintenance in wintertime | 103.1 | 103.8 | 104.7 | 106.0 | 106.1 | 107.2 | 108.2 | 109.9 | 110.6 | 4.2 | 0.6 | 
 | Maintenance in wintertime, materials | 101.3 | 102.3 | 103.9 | 103.3 | 103.1 | 103.7 | 106.0 | 105.4 | 105.9 | 2.7 | 0.5 | 
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