[WirelessGigabit]

Which category?

    1st 01JAN12
    2nd 01JAN11
    3rd 01JAN09
    OW  01JAN09
    4th 01SEP18

OW = other workers.

So check the diff between those dates and your date.

[proberts]

It's impossible to say because as I'm sure you know, the numbers don't always progress, sometimes they retrogress. But I expect at least 5 more years.