30 copies as follows:

January 2018 issue 334;
February 2018 issue 335;
March 2018 issue 336;
August 2018 issue 341;
November 2018 issue 344;
December 2018 issue 345
January 2019 issue 346;
February 2023 issue 395;
April 2023 issue 397;
May 2023 issue 398;
June 2023 issue 399;
September 2023 issue 402;
October 2023 issue 403;
November 2023 issue 404;
December 2023 issue 405;
February 2024 issue 407;
April 2024 issue 409;
May 2024 issue 410;
July 2024 issue 412;
August 2024 issue 413;
September 2024 issue 414;
October 2024 issue 415;
January 2025 issue 418;
March 2025 issue 420;
April 2025 issue 421;
May 2025 issue 422;
June 2025 issue 423;
July 2025 issue 424;
September 2025 issue 426;
October 2025 issue 427.