The sector “H522 support activities for transportation (H52.2)” follows with 17.4%. “Other postal and courier services" ranks third according to the amount of enterprises in this sector, with 6.8%. The other sectors hold percentages of under 3% and are not even identified in the diagram. This may indicate that in these markets there are market restrictions and entrance barriers like high investments in infrastructure necessary on a company level. The Netherlands’ market structure looks different from the other nations: the share of inland freight water transport (H504) is particularly high because of the relevance of the national inland waterway system.
22 18 values for 10 countries with minor data gaps have been closed by values calculated from the Amadeus company database (by Bureau van Dijk).
23 Not all Member States are included due to a lack of data. Comparable data could be compiled for at least 18 Member States.