The Construction Materials Wholesale Price Index (CMWPI) in the National Capital Region (NCR) increased 0.8 percent in January 2016. Last month, it rose 0.1 percent while in January of 2015 decreased 1.1 percent. The highest annual increases were recorded in the following indices: sand and gravel, 3.4 percent; Plywood, 2.5 percent; Electrical work, 2.4 percent; And plumbing fixtures and fittings, 4.9 percent. On the other hand, cement and steel reinforcement indexes rose 0.6 percent and 3.4 percent compared to negative annual rates a month ago. The slower annual increases were, however, in the hardware indexes at 1.4 percent; Tileworks, 0.3 percent; And the doors, the jambs, and the steel window, 0.4 percent. The annual adjustment in G.I. The leaf index is down 2.4 percent; Structural Steel Index, -3.3 percent; Index of works of painting, -0.4 percent; Index of PVC pipes, -0.2 percent; And the index of fuels and lubricants, -6.2 percent.