From: The role of information systems usage in enhancing port logistics performance: evidence from the Dar Es Salaam port, Tanzania
Frequency
Percent
0–1 h per day
10
10.0
2–3 h per day
20
20.0
4–5 h per day
7
7.0
6–7 h per day
42
42.0
8 h and above per day
21
21.0
Total
100
100.0