Range

#

Per cent

86–104

11

37.9

82–85

2

6.9

78–81

2

6.9

75–77

0

0.0

72–74

0

0.0

68–71

1

3.4

65–67

4

13.8

60–64

2

6.9

55–59

2

6.9

50–54

0

0.0

 0–49

5

17.2

Statistic

Value

Number of papers

29

Maximum

104

Minimum

15

Mean

73.2

Standard deviation

23.9

Median

79

3rd quartile

95

1st quartile

61