20% Growth? BULLSH*T!!! There is no way, NO WAY, that a Congregation would see that much growth. What really happened, was that 1 or even 2 or 3 Congregations were dissolved, their Kingdumb Hells sold, and profits sent back to "Mother Org". Then, the pauper Sheeple were commanded to come to your old Congregation. Whaa-laaa! Instant "growth" for your old Congregation. There are lies, damned lies, and statistics. JW's are the masters of manipulating the numbers and statistics in order to make themselves look good.
20% growth in a Congregation? Ha! FantasyLand.