There are four files listed for each month:
YYYYMM_circulation.xlsx – Monthly Checkouts and Renewals (includes staff and patron renewals)
YYYYMM_intraloans.xlsx – Intralibrary Loans
YYYYMM_itemadd.xlsx – Items Added
YYYYMM_patronadd.xlsx – Patrons added

March 2019

Note: This is a partial month.
March 2019 Circulation – 201903_circulation_updated2.xlsx
March 2019 Intraloans – 201903_intraloans-by-sending-library_updated.xlsx
March 2019 Patrons Added – 201903_patronadd-by-stat-cat_updated.xlsx
March 2019 Items Added – 201903_itemadd_updated.xlsx

April 2019

April 2019 Circulation – 201904_circulation_updated2.xlsx
April 2019 Intraloans – 201904_intraloans-by-sending-library_updated.xlsx
April 2019 Patrons Added – 201904_patronadd-by-stat-cat_updated.xlsx
April 2019 Items Added – 201904_itemadd_updated.xlsx
April 2019 Items Deleted – 201904_itemdelete.xlsx

May 2019

May 2019 Circulation – 201905_circulation_updated2.xlsx
May 2019 Intraloans – 201905_intraloans-by-sending-library_updated.xlsx
May 2019 Patrons Added – 201905_patronadd-by-stat-cat_updated.xlsx
May 2019 Items Added – 201905_itemadd_updated.xlsx
May 2019 Items Deleted – 201905_itemdelete.xlsx

June 2019

June 2019 Circulation – 201906_circulation.xlsx
June 2019 Intraloans – 201906_intraloans-by-sending-library.xlsx
June 2019 Patrons Added – 201906_patronadd.xlsx
June 2019 Items Added – 201906_itemadd.xlsx
June 2019 Items Deleted – 201906_itemdelete.xlsx

July 2019

July 2019 Circulation – 201907_circulation.xlsx
July 2019 Intraloans – 201907_intraloans-by-sending-library.xlsx
July 2019 Intraloans – 201907_intraloans-by-receiving-library.xlsx
July 2019 Patrons Added – 201907_patronadd.xlsx
July 2019 Items Added – 201907_itemadd.xlsx
July 2019 Items Deleted – 201907_itemdelete.xlsx

August 2019

August 2019 Circulation – 201908_circulation.xlsx
August 2019 Intraloans – 201908_intraloans-by-sending-library.xlsx
August 2019 Intraloans – 201908_intraloans-by-receiving-library.xlsx
August 2019 Patrons Added – 201908_patronadd.xlsx
August 2019 Items Added – 201908_itemadd.xlsx
August 2019 Items Deleted – 201908_itemdelete.xlsx

September 2019

September 2019 Circulation – 201909_circulation.xlsx
September 2019 Intraloans – 201909_intraloans-by-sending-library.xlsx
September 2019 Intraloans – 201909_intraloans-by-receiving-library.xlsx
September 2019 Patrons Added – 201909_patronadd.xlsx
September 2019 Items Added – 201909_itemadd.xlsx
September 2019 Items Deleted – 201909_itemdelete.xlsx

October 2019

October 2019 Circulation – 201910_circulation.xlsx
October 2019 Intraloans – 201910_intraloans-by-sending-library.xlsx
October 2019 Intraloans – 201910_intraloans-by-receiving-library.xlsx
October 2019 Patrons Added – 201910_patronadd.xlsx
October 2019 Items Added – 201910_itemadd.xlsx
October 2019 Items Deleted – 201910_itemdelete.xlsx

November 2019

November 2019 Circulation – 201911_circulation.xlsx
November 2019 Intraloans – 201911_intraloans-by-sending-library.xlsx
November 2019 Intraloans – 201911_intraloans-by-receiving-library.xlsx
November 2019 Patrons Added – 201911_patronadd.xlsx
November 2019 Items Added – 201911_itemadd.xlsx
November 2019 Items Deleted – 201911_itemdelete.xlsx

December 2019

December 2019 Circulation – 201912_circulation.xlsx
December 2019 Intraloans – 201912_intraloans-by-sending-library.xlsx
December 2019 Intraloans – 201912_intraloans-by-receiving-library.xlsx
December 2019 Patrons Added – 201912_patronadd.xlsx
December 2019 Items Added – 201912_itemadd.xlsx
December 2019 Items Deleted – 201912_itemdelete.xlsx