- exclamation		+ exclamation		Total
Variable	- customer named	+ customer named	- customer named	+ customer named
Exclamation + Customer named	483	52	1056	430	2021
Average open rate	11.50%	12.48%	11.93%	14.46%	12.38%
	- non-st. variation		+ non-st. variation		Total
Variable	- customer named	+ customer named	- customer named	+ customer named
Non-st. var. + Customer named	578	385	961	97	2021
Average open rate	11.57%	14.00%	11.93%	15.20%	12.38%
	- product		+ product		Total
Variable	- customer named	+ customer named	- customer named	+ customer named
Product named + Customer named	1472	459	67	23	2021
Average open rate	11.82%	14.26%	11.22%	13.93%	12.38%
	- numeral		+ numeral		Total
Variable	- customer named	+ customer named	- customer named	+ customer named
Numeral + Customer named	549	341	990	141	2021
Average open rate	11.82%	15.05%	11.78%	12.28%	12.38%