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Net Premiums Written By Line, Property/Casualty Insurance 2015-2017 (1)

($ millions)

        Percent change from prior year  
Lines of insurance 2015 2016 2017 2015 2016 2017 Percent of total, 2017
Private passenger auto $192,792.2 $207,371.5 $222,234.9 5.1% 7.6% 7.2% 39.8%
     Liability 116,305.8 124,439.7 133,745.2 3.5 7.0 7.5 24.0
     Collision and comprehensive 76,486.4 82,931.8 88,489.7 7.6 8.4 6.7 15.9
Homeowners multiple peril 79,931.3 81,191.5 82,811.3 2.6 1.6 2.0 14.8
Other liability (2) 45,585.8 44,591.9 46,675.2 3.2 -2.2 4.7 8.4
Workers compensation 45,355.1 45,619.8 45,047.4 3.7 0.6 -1.3 8.1
Commercial multiple peril 34,741.7 34,099.7 34,190.7 1.1 -1.8 0.3 6.1
Commercial auto 27,640.1 28,264.4 30,638.4 7.6 2.3 8.4 5.5
     Liability 20,915.0 21,315.2 22,881.2 6.9 1.9 7.3 4.1
     Collision and comprehensive 6,725.1 6,949.2 7,757.3 9.8 3.3 11.6 1.4
Reinsurance (3) 12,411.4 11,600.0 12,259.1 7.6 -6.5 5.7 2.2
Inland marine 11,417.3 11,407.5 11,973.6 3.9 -0.1 5.0 2.1
Fire 11,417.8 11,005.9 10,688.2 -0.7 -3.6 -2.9 1.9
Accident and health (4) 7,819.2 8,325.0 9,992.5 1.1 6.5 20.0 1.8
Allied lines  9,119.7 9,758.6 8,711.2 -1.0 7.0 -10.7 1.6
Medical malpractice 8,201.4 8,194.9 8,062.0 -3.2 -0.1 -1.6 1.4
Surety 5,139.9 5,138.5 5,368.8 2.8 (5) 4.5 1.0
Multiple peril crop 3,680.8 3,321.3 4,742.0 -12.1 -9.8 42.8 0.8
Mortgage guaranty 4,681.9 4,410.8 4,376.8 12.0 -5.8 -0.8 0.8
Farmowners multiple peril 3,762.5 3,802.2 3,925.3 3.7 1.1 3.2 0.7
Product liability 2,796.8 2,422.7 2,689.1 4.6 -13.4 11.0 0.5
Ocean marine 2,831.6 2,549.4 2,370.5 -2.7 -10.0 -7.0 0.4
Boiler and machinery 1,682.1 1,892.2 2,043.2 -15.9 12.5 8.0 0.4
Earthquake 1,649.8 1,535.1 1,511.5 0.5 -6.9 -1.5 0.3
Credit 1,070.0 1,118.6 1,221.0 -10.2 4.5 9.2 0.2
Warranty 1,017.8 930.2 1,090.6 -0.2 -8.6 17.2 0.2
Other lines (6) 1,064.7 914.8 1,080.4 -0.8 -14.1 18.1 0.2
Fidelity 1,161.4 1,093.9 986.4 -0.3 -5.8 -9.8 0.2
Aircraft 929.0 871.9 861.0 -7.6 -6.1 -1.2 0.2
Excess workers compensation 929.4 889.2 796.6 1.0 -4.3 -10.4 0.1
Private crop 584.6 455.4 498.8 0.3 -22.1 9.5 0.1
Private flood NA 277.8 471.0 NA NA 69.5 0.1
Financial guaranty 418.8 364.5 420.8 -14.3 -13.0 15.4 0.1
International 82.0 82.6 265.2 -34.4 0.8 220.9 (5)
Burglary and theft 230.8 255.5 222.9 2.0 10.7 -12.7 (5)
Federal flood (7) 3.0 4.3 12.8 -64.8 43.3 197.8 (5)
Total, all lines (8)   $520,149.8 $533,762.0 $558,239.4 3.4% 2.6% 4.6% 100.0%
(1) After reinsurance transactions, excludes state funds. (2) Coverages protecting against legal liability resulting from negligence, carelessness or failure to act. (3) Only includes nonproportional reinsurance, an arrangement in which a reinsurer makes payments to an insurer whose losses exceed a predetermined amount. (4) Premiums from certain insurers that write health insurance but file financial statements with state regulators on a property/casualty basis. (5) Less than 0.1 percent. (6) Includes miscellaneous coverages. (7) Provided by FEMA through participating private insurers. (8) May not match total premiums shown elsewhere in this book because of the use of different exhibits from S&P Global Market Intelligence. NA=Data not available. Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute.