Trade Remedies Investigations Branch and Imports Report Table 2 compares, in percentage terms, the value of shipments, value of investments and employment levels in the domestic industries protected by the measures and the value of imports directly affected by the measures to the total value of Canadian shipments and investments, as well as employment levels, and imports, in the manufacturing and [...] Second, it describes how the base value of the imports was adjusted to reflect the underlying growth (or decline) in the market for the years during which the measures were in place. [...] For the purposes of this analysis, the base level of imports is the average value of imports in the three calendar years prior to the PD.10 The PD is the cut-off point because that is when the CBSA begins to impose provisional duties on the dumped or subsidized goods, thereby altering the trajectory of the import trend. [...] The Impact of Anti-dumping and 12 PUBLIC Countervailing Measures on Domestic Shipments, Investments, Employment Trade Remedies Investigations Branch and Imports Report FORWARD ESTIMATION For each of the five years12 that a measure is in effect, the value of affected imports was increased or decreased on the basis of an estimate of the market growth for that product.13 For example, starting with th [...] RETROACTIVE ADJUSTMENT At the time of a review, the value of affected imports is recalculated and adjusted retroactively on the basis of the actual growth observed in the market.