However, with the provision to write letters and to report as little as 15 minutes preaching per month, the significant reduction in preaching hours does not seem to be entirely limited to the pandemic.
Jeffro, the direction to report even 15 minutes preaching came in September 2020,which is after the 2020 service year ended. So the impact of the 15 mi leeway will be in the 2021 totals.
In many countries, letter writing was only for those whom you knew, and not to general public, thus resulting in a massive drop in number of hours.
Also, the field activity was heavily dictated and regulated due to changing covid laws/rules of the country, leading to different trends for different countries