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Table 4 Subject comparison of the September to March and April to August time periods

From: Contract cheating by STEM students through a file sharing website: a Covid-19 pandemic perspective

  Average number of questions per day Percentual increase of the average from September–March to April–August Percentual increase of the average of the previous year
Computer Science September 2019–March 2020 2244.91 48.55 14.97
Computer Science April 2020–August 2020 3334.88 138.97
Computer Science September 2018–March 2019 1961.74 −28.86  
Computer Science April 2019–August 2019 1395.50  
Physics September 2019–March 2020 2238.16 91.05 14.20
Physics April 2020–August 2020 4276.21 199.79
Physics September 2018–March 2019 1969.05 −27.55  
Physics April 2019–August 2019 1426.38  
Chemistry September 2019–March 2020 3229.19 116.64 20.32
Chemistry April 2020–August 2020 6995.73 245.86
Chemistry September 2018–March 2019 2696.47 −24.98  
Chemistry April 2019–August 2019 2022.67  
Mechanical Engineering September 2019–March 2020 1397.31 94.40 4.09
Mechanical Engineering April 2020–August 2020 2716.43 181.43
Mechanical Engineering September 2018–March 2019 1348.69 −28.43  
Mechanical Engineering April 2019–August 2019 965.20  
Electrical Engineering September 2019–March 2020 1556.53 73.59 1.93
Electrical Engineering April 2020–August 2020 2702.12 184.51
Electrical Engineering September 2018–March 2019 1534.26 −38.09  
Electrical Engineering April 2019–August 2019 949.71  
All Subjects September 2019–March 2020 10,666.13 87.74 12.68
All Subjects April 2020–August 2020 20,025.38 196.25
All Subjects September 2018–March 2019 9510.24 −28.92  
All Subjects April 2019–August 2019 6759.48