On the contrary, Composite- 5 exhibited an increasing trend over time for \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$k$$\end{document} k = 0.8 and 0.9, with the slopes ranging from 0.1 to 0.18.
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