public function showOverviewTable()
    {
        ?>
		<table class="wp-list-table widefat">
			<thead>
				<tr>
					<th scope="col"><?php 
        _e('User', 'wp-pro-quiz');
        ?>
</th>
					<th scope="col" style="width: 100px;"><?php 
        _e('Points', 'wp-pro-quiz');
        ?>
</th>
					<th scope="col" style="width: 100px;"><?php 
        _e('Correct', 'wp-pro-quiz');
        ?>
</th>
					<th scope="col" style="width: 100px;"><?php 
        _e('Incorrect', 'wp-pro-quiz');
        ?>
</th>
					<th scope="col" style="width: 100px;"><?php 
        _e('Hints used', 'wp-pro-quiz');
        ?>
</th>
					<th scope="col" style="width: 100px;"><?php 
        _e('Time', 'wp-pro-quiz');
        ?>
 <span style="font-size: x-small;">(hh:mm:ss)</span></th>
					<th scope="col" style="width: 60px;"><?php 
        _e('Results', 'wp-pro-quiz');
        ?>
</th>
				</tr>
			</thead>
			<tbody>
				<?php 
        if (!count($this->statisticModel)) {
            ?>
				<tr>
					<td colspan="7" style="text-align: center; font-weight: bold; padding: 10px;"><?php 
            _e('No data available', 'wp-pro-quiz');
            ?>
</td>
				</tr>
				<?php 
        } else {
            ?>
				
				<?php 
            foreach ($this->statisticModel as $model) {
                /** @var WpProQuiz_Model_StatisticOverview  $model **/
                $sum = $model->getCorrectCount() + $model->getIncorrectCount();
                if (!$model->getUserId()) {
                    $model->setUserName(__('Anonymous', 'wp-pro-quiz'));
                }
                if ($sum) {
                    $points = $model->getPoints();
                    $correct = $model->getCorrectCount() . ' (' . round(100 * $model->getCorrectCount() / $sum, 2) . '%)';
                    $incorrect = $model->getIncorrectCount() . ' (' . round(100 * $model->getIncorrectCount() / $sum, 2) . '%)';
                    $hintCount = $model->getHintCount();
                    $time = WpProQuiz_Helper_Until::convertToTimeString($model->getQuestionTime());
                    $result = round(100 * $points / $model->getGPoints(), 2) . '%';
                } else {
                    $result = $time = $hintCount = $incorrect = $correct = $points = '---';
                }
                ?>
				
				<tr>
					<th>
						<?php 
                if ($sum) {
                    ?>
						<a href="#" class="user_statistic" data-user_id="<?php 
                    echo $model->getUserId();
                    ?>
"><?php 
                    echo esc_html($model->getUserName());
                    ?>
</a>
						<?php 
                } else {
                    echo esc_html($model->getUserName());
                }
                ?>
						
						<div <?php 
                echo $sum ? 'class="row-actions"' : 'style="visibility: hidden;"';
                ?>
>
							<span>
								<a style="color: red;" class="wpProQuiz_delete" href="#"><?php 
                _e('Delete', 'wp-pro-quiz');
                ?>
</a>
							</span>
						</div>
						
					</th>
					<th><?php 
                echo $points;
                ?>
</th>
					<th style="color: green;"><?php 
                echo $correct;
                ?>
</th>
					<th style="color: red;"><?php 
                echo $incorrect;
                ?>
</th>
					<th><?php 
                echo $hintCount;
                ?>
</th>
					<th><?php 
                echo $time;
                ?>
</th>
					<th style="font-weight: bold;"><?php 
                echo $result;
                ?>
</th>
				</tr>
				<?php 
            }
        }
        ?>
			</tbody>
		</table>
		
	<?php 
    }