How to say this has been the trend for the past twenty years. in Japanese
1)
これがこno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates question２０no dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb年間年間(nenkan) (n-t) yearのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates question傾向傾向(keikou) (n,vs) tendency/trend/inclinationだっただった(datta) was。。(。) Japanese period "."
