// }
List<ExecutionCourseStatisticsDTO> results = new ArrayList<ExecutionCourseStatisticsDTO>();
for (ExecutionCourse executionCourse : executionCourses) {
ExecutionCourseStatisticsDTO executionCourseStatistics = new ExecutionCourseStatisticsDTO();
executionCourseStatistics.setExternalId(competenceCourse.getExternalId());
executionCourseStatistics.setName(competenceCourse.getNameI18N(executionSemester).getContent());
executionCourseStatistics.setExecutionPeriod(executionCourse.getExecutionPeriod().getName());
executionCourseStatistics.setTeachers(getResponsibleTeachersName(executionCourse));
executionCourseStatistics.setExecutionYear(executionCourse.getExecutionPeriod().getExecutionYear().getYear());
executionCourseStatistics.setDegrees(getDegrees(executionCourse));
createCourseStatistics(executionCourseStatistics, executionCourse.getActiveEnrollments());
results.add(executionCourseStatistics);
}