Five-Year Financial Highlights

2018 2017 2016 2015 2014
For the Year
(billions — except per share amounts)
Net premiums written $32.6 $27.1 $23.4 $20.6 $18.7
Growth over prior year 20% 16% 14% 10% 8%
Net premiums earned $30.9 $25.7 $22.5 $19.9 $18.4
Growth over prior year 20% 14% 13% 8% 8%
Total revenues $32.0 $26.8 $23.4 $20.9 $19.4
Net income attributable to Progressive $2.62 $1.59 $1.03 $1.27 $1.28
Per share $4.42 $2.72 $1.76 $2.15 $2.15
Underwriting margin 9.4% 6.6% 4.9% 7.5% 7.7%
2018 2017 2016 2015 2014
At Year-End
(billions — except shares outstanding, per share amounts, and policies in force)
Common shares outstanding (millions) 583.2 581.7 579.9 583.6 587.8
Book value per common share $17.71 $15.96 $13.72 $12.49 $11.79
Consolidated shareholders’ equity $10.8 $9.3 $8.0 $7.3 $6.9
Common share close price $60.33 $56.32 $35.50 $31.80 $26.99
Market capitalization $35.2 $32.8 $20.6 $18.6 $15.9
Return on average shareholders’ equity
Net income attributable to Progressive 24.7% 17.8% 13.2% 17.2% 19.1%
Comprehensive income attributable to Progressive 23.8% 21.7% 14.9% 14.2% 20.1%
Policies in force (thousands)
Vehicle businesses:
Personal Lines
Agency – auto 6,358.3 5,670.7 5,045.4 4,737.1 4,725.5
Direct – auto 7,018.5 6,039.1 5,348.3 4,916.2 4,505.5
Special lines 4,382.2 4,365.7 4,263.1 4,111.4 4,030.9
Total Personal Lines 17,759.0 16,075.5 14,656.8 13,764.7 13,261.9
Growth over prior year 10% 10% 6% 4% 2%
Commercial Lines 696.9 646.8 607.9 555.8 514.7
Growth over prior year 8% 6% 9% 8% 0%
Property 1,936.5 1,461.7 1,201.9 1,076.5 |||||||
Growth over prior year 32% 22% 12% NM |||||||
Private passenger auto insurance market1 NA $222.2 $206.6 $192.8 $183.5
Market share2 NA 10.1% 9.4% 9.0% 8.9%
1-Year 3-Year 5-Year
Stock Price Appreciation (Depreciation)3
Progressive 9.3% 26.6% 20.9%
S&P 500 (4.4)% 9.2% 8.5%

NM = Not meaningful; Property business written by Progressive prior to April 2015 was negligible.

NA = Final comparable industry data will not be available until our third quarter report.

1Represents net premiums written as reported by A.M. Best Company, Inc.

2Represents Progressive’s private passenger auto business, including motorcycle insurance, as a percent of the private passenger auto insurance market.

3Represents average annual compounded rate of increase (decrease) and assumes dividend reinvestment.