Corona Company's balance sheet accounts follow:

At December 31	2014	2013	2012
Assets
Cash	$30,070	$35,367	$35,388
Accounts receivable, net	82,236	58,199	45,358
Merchandise inventory	99,322	77,695	50,301
Prepaid expenses	12,532	12,303	7,635
Plant assets, net	246,056	223,136	203,748
Total assets	$470,216	$406,700	$342,430
Liabilities and Equity
Accounts payable	$114,462	$73,539	$49,057
Long-term notes payable secured by mortgages on plant assets	92,195	94,223	77,237
Common stock, $10 par value	164,500	164,500	164,500
Retained earnings	99,059	74,438	51,636
Total liabilities and equity	$470,216	$406,700	$342,430

What is Corona Company's accounts receivable turnover ratio for 2013, assuming net sales for the period were $1,286,257?