form_month,a15_month_copies,a15_year_copies,c15_month_copies_paid,c15_year_copies_paid,a16_month_copies_digital_paid,a16_year_copies_digital_paid,source
2022-09-01,116950,117409,91984,92933,30298,28207,SOMC
2023-09-01,114500,115087,91352,92815,23251,19963,SOMC
1997-09-01,192724,191141,178311,167992,0,0,SOMC
2020-09-01,127000,134497,91503,95536,22623,14908,SOMC
2021-09-01,117099,121600,94634,94710,29269,26839,SOMC
1987-12-01,,,,146176,,,W5YI Report 1988-08-01 p. 4
1988-06-01,,,152668,150184,,,W5YI Report 1988-08-01 p. 4