According to data from the Synthetic Indicator of Construction Activity (ISAC) for the first nine months of 2011 as a whole, the sector accumulated an increase of 10.5% compared to the previous year’s accumulated.

The month of September for his part, shows positive changes seasonally adjusted 11.7% and 11.1% in the series with seasonality compared to the same month last year. (See Table 1)

The trend-cycle series recorded in the month of September, a rise of 0.2%. (See Table 7)