worldwide units sales of wearable, miniature action-capture cameras are reliably projected to grow?

1) at rates that can range from as little as 4% annually to as high as 8% annually

2) at 6-8% annually during the year 6-10 period and at 4-6% annually during the year 11-7 period

3) at 6-8% annually during the 6 -year 20 period and an at 4-6% annually during the year 11-year 20 period

4) 10% annually for years 6-10 and the slow gradually to 4% annually by year 15

5) about 10% annually through year 15