Strictly speaking, we should refer to "mainly market services" as there are market and non-market parts for some activities; some activities are considered as always being market (such as transport), while others are always non-market (general administration, for instance).
<div xmlns="http://www.w3.org/1999/xhtml"><p>Strictly speaking, we should refer to "mainly market services" as there are market and non-market parts for some activities; some activities are considered as always being market (such as transport), while others are always non-market (general administration, for instance).</p></div>