2024 — 9 books, 15 authors
2023 — 9 books, 15 authors
2022 — 4 books, 5 authors
2021 — 2 books, 2 authors
2020 — 6 books, 8 authors
2019 — 5 books, 11 authors
2018 — 8 books, 14 authors
2017 — 9 books, 14 authors
2016 — 13 books, 21 authors
2015 — 5 books, 7 authors
2002 — 1 book, 3 authors
1997 — 1 book, 1 author