וְהֵ֣ם מְבִיאִ֣ים אִ֣ישׁ מִנְחָת֡וֹ כְּלֵ֣י כֶסֶף֩ וּכְלֵ֨י זָהָ֤ב וּשְׂלָמוֹת֙ נֵ֣שֶׁק וּבְשָׂמִ֔ים סוּסִ֖ים וּפְרָדִ֑ים דְּבַר־שָׁנָ֖ה בְּשָׁנָֽה׃ (פ)
And they brought every man his present, vessels of silver, and vessels of gold, and raiment, armour, and spices, horses, and mules, a rate year by year.
Read midrashic interpretation of II Chronicles 9:24: and classical rabbinic exegesis.