(Directions 50-53)Study the chart given below and answer the questions based on the information provided:

The Midday Meal Scheme is a school meal programme of the Government of India designed to better the nutritional standing of school-age children   nationwide. It was launched in 1995. This scheme has helped in improving the enrolment rate of students in primary schools at pan India level. But During initial years due to poor implementation of the scheme, few village schools didn't see any satisfactory check on dropout rate of students. In this context, consider the line chart which gives the number of students who joined and left the schools of a village 'Wani' in Maharashtra.