Below Are Responses to Six Checklist Questions What Percentage of Respondents Expressed Some Opinion About the Commercial

Below are responses to six checklist questions.An "x" indicates an item was checked.Directions to the respondent said "Check all items that complete this sentence for you: The commercial made me feel …"
The first three items are considered negative,the second three items are considered positive.
$\begin{array}{|l|l|l|l|l|l|l|}\hline\begin{array}{c}\text { Respondent } \\\#\end{array} & \text { Sad } & \text { Nervous } & \text { Angry } & \text { Uplifted } & \text { Happy } & \text { Special } \\\hline & & & & & & \\\hline 1 & \mathrm{x} & & \mathrm{x} & & & \\\hline 2 & & & & & & \mathrm{x} \\\hline 3 & & \mathrm{x} & & & \mathrm{x} & \mathrm{x} \\\hline 4 & \mathrm{x} & & & & & \mathrm{x} \\\hline 5 & & \mathrm{x} & \mathrm{x} & & & \\\hline 6 & \mathrm{x} & & & & & \\\hline 7 & & & & & & \\\hline 8 & & \mathrm{x} & \mathrm{x} & & & \\\hline 9 & & & & & & \\\hline 10 & \mathrm{x} & & & & &\\\hline\end{array}$
What percentage of respondents expressed some opinion about the commercial?