C2 stands for "Credit from domestic sources in NOK and foreign currency", ie "the indicator of gross domestic debt for the non-financial private sector and municipalities in NOK and foreign currency".
In addition to C1, "Credit from domestic sources in NOK and foreign currency" (C2) consists of lending to the public in foreign currency by Norwegian financial corporations.
All growth rate calculations based on holdings which include foreign currency loans are adjusted for changes in exchange rates in order to eliminate all changes not related to transactions. The growth rate calculations are also adjusted for statistical breaks which are not attributable to transactions or valuation changes. An example of this kind of break could be that a financial enterprise moves from one sector to another.