pre_text: Item 6. Selected Consolidated Financial Data The following table presents selected consolidated financial data as of and for the five-year period ended December 31, 2019. Our past results of operations are not necessarily indicative of our future results of operations. The following selected consolidated financial data is qualified in its entirety by, and should be read in conjunction with, “Management's Discussion and Analysis of Financial Condition and Results of Operations” and the consolidated financial statements and the notes thereto included elsewhere herein. Consolidated Statement of Operations Data:
table: Year Ended December 31,
table: 2019 2018 2017 2016 2015
table: (In thousands, except per share data)
table: Revenues $111,412 $111,322 $106,524 $114,263 $123,961
table: Income from operations 9,464 8,238 4,545 10,186 3,820
table: Income from continuing operations, net of taxes 4,155 4,661 1,592 6,007 8,523
table: Income from discontinued operations, net of taxes — — 1,938 624 2,341
table: Net income $4,155 $4,661 $3,530 $6,631 $10,864
table: Income per share—basic:
table: Continuing operations $0.35 $0.38 $0.12 $0.43 $0.58
table: Discontinued operations — — 0.15 0.04 0.16
table: Net income per share $0.35 $0.38 $0.27 $0.47 $0.74
table: Income per share—diluted:
table: Continuing operations $0.35 $0.37 $0.12 $0.43 $0.58
table: Discontinued operations — — 0.15 0.04 0.16
table: Net income per share $0.35 $0.37 $0.27 $0.47 $0.74
table: Shares used in per share calculation from continuing operations —basic 11,809 12,323 12,882 13,997 14,722
table: Shares used in per share calculation from discontinued operations —basic 11,809 12,323 12,882 13,997 14,722
table: Shares used in per share calculation from continuing operations—diluted 12,035 12,510 12,894 13,997 14,722
table: Shares used in per share calculation from discontinuing operations—diluted 12,035 12,510 12,894 13,997 14,722
question: Analyse this data from a financial earnings document. What is the average net income per share for basic shares from 2015 to 2019?