There are a number of days average per month. out is between less than 10% but greater than or equal to 5% of the total number of days out of all items of the type item.
The number of days - the average order per month is less than 10% but greater than or equal to 5% of the number of days - out of all types of merchandise.
There were days in and out of goods and average income per month is between less than 10% but greater than or equal to 5% of number of days - all products of type product