gpp set

i dont really understand the graphs on the dvd so im curious how many weeks do you guys stay with med ball graph 1 before moving to graph 2, then 3. so far i have graph 1 all the way till week 4 then graph 2 week 5 then graph 3 week 6 and no med ball work week 7. i have seen others who would do graph 1 for 2 weeks, graph 2 for 2 weeks then graph 3 for 2 weeks, and take week 7 off.,

Later on in the GPP medball goes to 2 days a week, ill look at the graphs when i get home, but im pretty sure it turns into 2 days.