This is BibTeX, Version 0.99d (TeX Live 2017/Debian)
Capacity: max_strings=100000, hash_size=100000, hash_prime=85009
The top-level auxiliary file: bibtex-apa.aux
The style file: apa.bst
Database file #1: collection.bib
You've used 3 entries,
            1940 wiz_defined-function locations,
            497 strings with 4090 characters,
and the built_in function-call counts, 901 in all, are:
= -- 88
> -- 21
< -- 3
+ -- 6
- -- 6
* -- 63
:= -- 171
add.period$ -- 12
call.type$ -- 3
change.case$ -- 16
chr.to.int$ -- 3
cite$ -- 3
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empty$ -- 70
format.name$ -- 9
if$ -- 176
int.to.chr$ -- 1
int.to.str$ -- 0
missing$ -- 6
newline$ -- 20
num.names$ -- 9
pop$ -- 16
preamble$ -- 1
purify$ -- 18
quote$ -- 0
skip$ -- 31
stack$ -- 0
substring$ -- 36
swap$ -- 6
text.length$ -- 0
text.prefix$ -- 0
top$ -- 0
type$ -- 12
warning$ -- 0
while$ -- 6
width$ -- 0
write$ -- 47