| Road constructions, total | 111.7 | 113.3 | 114.4 | 116.8 | 118.9 | 122.2 | 124.3 | 127.5 | 130.9 | 10.1 | 2.7 | 
 | Road construction, total, materials | 119.5 | 120.7 | 122.3 | 126.2 | 128.8 | 130.0 | 131.2 | 137.1 | 145.6 | 13.0 | 6.2 | 
 | Road construction, total, machinery1 | 108.1 | 106.8 | 107.5 | 109.5 | 112.3 | 119.6 | 124.2 | 128.1 | 128.0 | 14.0 | -0.1 | 
 | Road construction, total, labour cost | 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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 | Open air road | 110.7 | 111.7 | 112.6 | 115.3 | 117.5 | 121.4 | 124.1 | 127.2 | 130.5 | 11.1 | 2.6 | 
 | Open air road, materials | 116.7 | 116.8 | 117.6 | 122.3 | 124.8 | 126.6 | 128.9 | 133.7 | 142.5 | 14.2 | 6.6 | 
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 | Concrete bridge | 115.6 | 118.6 | 120.2 | 122.9 | 124.7 | 127.0 | 128.8 | 132.5 | 137.4 | 10.2 | 3.8 | 
 | Concrete bridge, materials | 130.6 | 134.6 | 136.9 | 141.7 | 144.5 | 144.5 | 146.5 | 155.1 | 167.7 | 16.1 | 8.1 | 
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 | Rock tunnel | 110.4 | 112.1 | 113.0 | 114.2 | 116.3 | 119.2 | 119.7 | 122.6 | 124.9 | 7.4 | 1.9 | 
 | Rock tunnel, materials | 115.1 | 115.8 | 118.7 | 119.7 | 122.3 | 123.3 | 120.5 | 126.6 | 129.8 | 6.1 | 2.5 | 
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