a company pays the following dividends

$\backslash$table$[[2018,2],[2019,3],[2020,5],[2021,\backslash$table$[[6],[8\mathrm{.}5]]],[2022,8\mathrm{.}5]]$

Note: Use four decimal places $($i$.$e$.,0.$ P$358).$ Insert numerical values only. Include the negative sign $(-)$ if the answer is negative. DO NOT include any other signs such as $ or $\%$ or anything else. DO NOT include any alphabets. Your answer should be in decimals $($e$.$g$.,0\mathrm{.}1358)$ NOT in percentages $($e$.$g$.,13\mathrm{.}58\%).$