Figure 4  Ratio of non-performing loans to total loans (1) (per cent) 18  18 16  Gross  16  Net  14  14  12  12  10  10  8  8  6  6  4  4  2  2 0  0 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 June-19 2021  Source: Bank of Italy.
Factors considered in judging reserve adequacy Having discussed extensively the factors considered by central banks in deciding to accumulate reserves, let us attempt to draw up general rules about reserve adequacy. The most common factor considered in judging reserve adequacy is the equivalent number of months imports.