|
|
2010 |
2012 |
2014 |
|
Universe |
Micro, Small and Medium-sized Enterprises (SME), i.e., companies with fewer than 250 employees, with registered offices in Portugal and whose economic activity is covered by one of the following sections of CAE codes (Rev.3): C, F, G, H, I, J, K, L, M and N. |
||
|
Sample size |
2,503 |
2,559 |
3,000 |
|
Sampling method |
Random sample stratified by region (NUTSII), sector of activity and company size |
||
|
maximum absolute margin of error (1) |
2.0 |
1.9 |
1.8 |
|
Fieldwork conducted by |
GFK Metris |
TNS – Euroteste |
Spirituc |
|
Surveying period |
20 October - 16 December 2010 |
5 November - 21 December 2012 |
10 November - 24 December 2014 |
|
Information compilation method |
CATI |
CATI |
CATI |
|
Weighting of survey results |
NUTS II, sector of activity and company size |
NUTS II, sector of activity and company size |
NUTS II, sector of activity and company size |
