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Net Premiums Written By Line, Property/Casualty Insurance, 2016-2018 (1)

($ millions)

        Percent change from prior year  
Lines of insurance 2016 2017 2018 2016 2017 2018 Percent of total, 2018
Private passenger auto $207,371.5 $222,234.9 $240,908.2 7.6% 7.2% 8.4% 39.0%
     Liability 124,439.7 133,745.2 144,438.3 7.0 7.5 8.0 23.4
     Collision and comprehensive 82,931.8 88,489.7 96,469.9 8.4 6.7 9.0 15.6
Homeowners multiple peril 81,191.5 82,811.3 88,920.8 1.6 2.0 7.4 14.4
Other liability (2) 44,591.9 46,676.5 58,405.8 -2.2 4.7 25.1 9.5
Workers compensation 45,619.8 45,047.4 48,343.3 0.6 -1.3 7.3 7.8
Commercial multiple peril 34,099.7 34,190.7 37,541.4 -1.8 0.3 9.8 6.1
Commercial auto 28,264.4 30,638.4 35,730.9 2.3 8.4 16.6 5.8
     Liability 21,315.2 22,881.2 26,952.1 1.9 7.3 17.8 4.4
     Collision and comprehensive 6,949.2 7,757.3 8,778.8 3.3 11.6 13.2 1.4
Inland marine 11,407.5 11,973.6 14,588.3 -0.1 5.0 21.8 2.4
Reinsurance (3) 11,600.0 12,259.1 13,966.3 -6.5 5.7 13.9 2.3
Fire 11,005.9 10,688.2 11,622.4 -3.6 -2.9 8.7 1.9
Allied lines  9,758.6 8,711.2 10,169.8 7.0 -10.7 16.7 1.6
Medical profesional liability 8,194.9 8,062.0 8,344.6 -0.1 -1.6 3.5 1.4
Accident and health (4)               8,325.0           9,992.5               8,205.8 6.5 20.0 -17.9 1.3
Surety 5,138.5 5,368.8 6,353.4 (5) 4.5 18.9 1.0
Multiple peril crop 3,321.3 4,742.0 5,380.1 -9.8 42.8 13.5 0.9
Mortgage guaranty 4,410.8 4,376.8 4,693.8 -5.8 -0.8 7.2 0.8
Farmowners multiple peril 3,802.2 3,925.3 4,128.9 1.1 3.2 5.2 0.7
Ocean marine 2,549.4 2,370.5 2,885.7 -10.0 -7.0 21.7 0.5
Product liability 2,422.7 2,689.1 2,790.1 -13.4 11.0 3.8 0.5
Boiler and machinery 1,892.2 2,043.2 2,600.8 12.5 8.0 27.3 0.4
Earthquake 1,535.1 1,511.5 1,827.5 -6.9 -1.5 20.9 0.3
Credit 1,118.6 1,221.0 1,511.0 4.5 9.2 23.8 0.2
Other lines (6) 914.8 1,080.4 1,256.3 -14.1 18.1 16.4 0.2
Warranty 930.2 1,090.6 1,247.7 -8.6 17.2 14.4 0.2
Aircraft 871.9 861.0 1,219.3 -6.1 -1.2 41.6 0.2
Fidelity 1,093.9 986.4 1,215.5 -5.8 -9.8 23.2 0.2
Excess workers compensation 889.2 796.6 722.4 -4.3 -10.4 -9.3 0.1
Private crop 455.4 498.8 693.3 -22.1 9.5 39.0 0.1
Private flood 277.8 471.0 540.9 NA 69.5 14.8 0.1
International 82.6 265.2 487.0 0.8 220.9 83.7 0.1
Financial guaranty 364.5 420.8 364.3 -13.0 15.4 -13.4 0.1
Burglary and theft 255.5 222.9 280.1 10.7 -12.7 25.6 (5)
Federal flood (7) 4.3 12.8 12.9 43.3 197.8 0.3 (5)
Total, all lines (8)   $533,762.0 $558,240.6 $616,958.6 2.6% 4.6% 10.5% 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.