| Maintenance of roads, total | 107.8 | 109.0 | 110.5 | 111.7 | 112.4 | 113.1 | 115.5 | 118.0 | 122.0 | 8.5 | 3.4 | 
 | Maintenance of roads, total, materials | 117.0 | 119.2 | 122.7 | 121.9 | 119.3 | 117.7 | 125.0 | 128.9 | 135.0 | 13.2 | 4.7 | 
 | Maintenance of roads, total, machinery1 | 105.2 | 106.3 | 106.7 | 109.0 | 108.3 | 110.2 | 111.0 | 114.2 | 120.1 | 10.9 | 5.2 | 
 | Maintenance of roads, total, labour costs | 104.9 | 104.8 | 106.0 | 107.6 | 111.2 | 112.9 | 115.2 | 116.9 | 119.6 | 7.6 | 2.3 | 
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 | Asphalt work | 114.1 | 116.4 | 119.4 | 119.4 | 118.0 | 116.1 | 122.1 | 125.9 | 132.1 | 11.9 | 4.9 | 
 | Asphalt work, materials | 125.2 | 128.8 | 134.0 | 132.2 | 127.3 | 122.1 | 134.0 | 139.7 | 149.2 | 17.2 | 6.8 | 
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 | Maintenance in wintertime | 106.1 | 107.2 | 108.2 | 109.9 | 110.6 | 112.0 | 112.5 | 115.0 | 118.4 | 7.1 | 3.0 | 
 | Maintenance in wintertime, materials | 103.1 | 103.7 | 106.0 | 105.4 | 105.9 | 107.1 | 106.7 | 107.4 | 109.2 | 3.1 | 1.7 | 
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