The order possessor-possessum appears to be restricted to cases where the possessor is human, so indicating a quantitative relative importance is problematic. With human possessors, juxtaposition in this order is quite frequent, however.
Source: van Dyk ca. 1765: 33
Source: van Dyk ca. 1765: 43
Source: van Dyk ca. 1765: 29
Source: Weygandt 1798: 15