This item shows how long they've been a FAN, i.e. how many months they've been supporting the current plan.
- It includes the months when the FAN was supporting a plan that was more expensive than the current one.
- It doesn't include the months when the FAN was supporting a plan that was less expensive than the current one.
Example: a FAN subscribed to the 500 JPY plan on January 10, stopped supporting the plan at the end of January, and then subscribed to the same plan again on April 10. In April, the "total months" for the 500 JPY plan will be...
January + April = 2 months
Example: a FAN subscribed to the 500 JPY plan on January 10, switched to the 700 JPY plan at the end of February, and then switched back to the 500 JPY plan again on April 10. In April, the "total months" for the 500 JPY plan will be...
January + February + March + April = 4 months
Example: a FAN subscribed to the 500 JPY plan on January 10, switched to the 300 JPY plan at the end of February, and then switched back to the 500 JPY plan again on April 10. In April, the "total months" for the 500 JPY plan will be...
January + February + April = 3 months
* February is also included since the FAN was still supporting the 500 JPY plan at the beginning of the month.
* March is not included in the "total months" for the 500 JPY plan, since the FAN switched to the 300 JPY plan.
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