pdf	creator	Microsoft Excel 2019	1
pdf	creator	Springer	1
pdf	encrypted	no	2
pdf	files	total	2
pdf	optimized	no	1
pdf	optimized	yes	1
pdf	pages	avg	18
pdf	pages	max	26
pdf	pages	min	10
pdf	pages	total	36
pdf	size	avg	1415414
pdf	size	max	1923617
pdf	size	min	907212
pdf	size	total	2830829
pdf	version	1.4	1
pdf	version	1.7	1