| Road constructions, total | 100.0 | 102.3 | 103.5 | 104.4 | 105.0 | 106.3 | 107.0 | 108.3 | 109.0 | 3.8 | 0.6 | 
 | Road construction, total, materials | 100.0 | 105.8 | 108.9 | 108.3 | 110.1 | 113.4 | 113.9 | 114.9 | 116.3 | 5.6 | 1.2 | 
 | Road construction, total, machinery1 | 100.0 | 101.8 | 102.6 | 103.2 | 102.2 | 103.2 | 104.9 | 106.4 | 106.3 | 4.0 | -0.1 | 
 | Road construction, total, labour cost | 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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 | Open air road | 100.0 | 102.1 | 102.8 | 103.2 | 103.8 | 105.5 | 106.4 | 107.7 | 108.3 | 4.3 | 0.6 | 
 | Open air road, materials | 100.0 | 104.8 | 106.3 | 104.3 | 106.0 | 110.8 | 111.7 | 112.8 | 114.3 | 7.8 | 1.3 | 
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 | Concrete bridge | 100.0 | 103.8 | 106.5 | 108.6 | 109.4 | 109.9 | 110.1 | 111.2 | 111.9 | 2.3 | 0.6 | 
 | Concrete bridge, materials | 100.0 | 110.6 | 118.6 | 120.6 | 122.4 | 123.5 | 123.2 | 123.3 | 124.4 | 1.6 | 0.9 | 
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 | Rock tunnel | 100.0 | 101.3 | 102.3 | 103.4 | 103.9 | 104.8 | 105.4 | 107.0 | 107.9 | 3.8 | 0.8 | 
 | Rock tunnel, materials | 100.0 | 103.1 | 105.1 | 105.7 | 107.4 | 109.2 | 109.6 | 111.3 | 112.8 | 5.0 | 1.3 | 
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