17.	Concentration of Operations

The Company derives its revenues almost entirely from its operations in the workers’ compensation insurance line of business. Total net premiums earned for the different lines of business are shown below:

	2016					2015					2014
	Dollars		Percent			Dollars		Percent			Dollars		Percent
	(Dollars in thousands)
Workers’ compensation	$	368,704		100.0	%	$	375,894		100.0	%	$	375,746		100.0	%
General liability		—		0.0	%		—		0.0	%		1		0.0	%
Total net premiums earned	$	368,704		100.0	%	$	375,894		100.0	%	$	375,747		100.0	%

Net premiums earned during 2016, 2015 and 2014 for the top ten states in 2016 and all others are shown below:

	2016					2015					2014
	Dollars		Percent			Dollars		Percent			Dollars		Percent
	(Dollars in thousands)
Pennsylvania	$	39,460		10.7	%	$	36,294		9.7	%	$	35,488		9.4	%
Georgia		38,168		10.4	%		40,497		10.8	%		36,761		9.8	%
Louisiana		30,426		8.3	%		38,874		10.3	%		47,643		12.7	%
Florida		29,051		7.9	%		24,792		6.6	%		20,691		5.5	%
Illinois		25,796		7.0	%		23,285		6.2	%		20,606		5.5	%
North Carolina		20,784		5.6	%		20,062		5.3	%		20,872		5.6	%
Virginia		16,599		4.5	%		15,656		4.2	%		16,764		4.5	%
Minnesota		15,130		4.1	%		14,618		3.9	%		13,159		3.5	%
South Carolina		13,897		3.8	%		12,955		3.4	%		12,414		3.3	%
Wisconsin		13,544		3.7	%		11,203		3.0	%		9,408		2.5	%
All others		125,849		34.0	%		137,658		36.6	%		141,941		37.7	%
Total net premiums earned	$	368,704		100.0	%	$	375,894		100.0	%	$	375,747		100.0	%