Classification of sectoral aggregations for CNAE 2009 (ISTAC: CL_CNAE_2009_AGGREGATIONS)

In order for publications based on CNAE 2009 to have a similar structure, these standard aggregations used by the international community are proposed.
The groupings are as follows: A3: It is based on sections of the CNAE 2009 (letter or first digit); A4: It is based on sections of the CNAE 2009 (letter or first digit); A10: It is based on sections of the CNAE 2009 (letter or first digit); A21: It is based on divisions of the CNAE 2009 (two digits); A38: It is based on divisions of the CNAE 2009 (two digits); A64: It is based on divisions of the CNAE 2009 (two digits); A86: It is based on CNAE 2009 groups (three digits).
The names of the clusters have been extracted from CL_NACE2 of RAMON.