Context: As of August 2015, Jehovah's Witnesses report an average of 8.2 million publishers—the term they use for members actively involved in preaching—in 118,016 congregations. In 2015, these reports indicated over 1.93 billion hours spent in preaching and "Bible study" activity. Since the mid-1990s, the number of peak publishers has increased from 4.5 million to 8.2 million. In the same year, they conducted "Bible studies" with over 9.7 million individuals, including those conducted by Witness parents with their children. Jehovah's Witnesses estimate their current worldwide growth rate to be 1.5% per year.

Question: What term do Jehovah's Witnesses use for members actively involved in preaching?
Answer: publishers

Question: How many publishers did the Jehovah's Witnesses have as of August 2015?
Answer: 8.2 million

Question: How many congregations did the Jehovah's Witnesses have in 2015?
Answer: 118,016

Question: Over how many hours had Jehovah's Witnesses spent preaching and in "Bible study" activity in 2015?
Answer: 1.93 billion

Question: What do Jehovah's Witnesses their worldwide growth rate to be?
Answer: 1.5% per year

Question: How many preaching members of the Witnesses are there in the United States?
Answer: Unanswerable

Question: How many children were involved in "Bible studies" in 2015?
Answer: Unanswerable

Question: How fast was Jehovah's Witnesses growing in the mid-1990s per year?
Answer: Unanswerable

Question: How much time was spent in just preaching time since 2015?
Answer: Unanswerable

Question: How much time was spent in just "Bible study" since 2015?
Answer: Unanswerable