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EARNINGS PER SHARE | 12 Months Ended
--- | ---
Dec. 31, 2013
EARNINGS PER SHARE |
EARNINGS PER SHARE | 20. EARNINGS PER SHARE Basic earnings per share and diluted earnings per share were calculated as follows:
|  | 2011 |  | 2012 |  | 2013 |
|  | RMB |  | RMB |  | RMB |
Numerator: |  |  |  |  |  |  |
Net income attributable to Ctrip’s shareholders |  | 1,076,414,897 |  | 714,405,864 |  | 998,319,684 |
Eliminate the dilutive effect of interest expense of convertible bond |  | — |  | 4,617,398 |  | 15,496,021 |
Numerator for diluted earnings per share |  | 1,076,414,897 |  | 719,023,262 |  | 1,013,815,705 |
Denominator: |  |  |  |  |  |  |
Denominator for basic earnings per ordinary share - weighted average ordinary shares outstanding |  | 35,977,063 |  | 34,236,761 |  | 32,905,601 |
Dilutive effect of share options |  | 2,053,911 |  | 1,230,941 |  | 2,359,614 |
Dilutive effect of convertible bond |  | — |  | 623,083 |  | 2,206,157 |
Dilutive effect of convertible bond sold warrants |  | — |  | — |  | 598,469 |
Denominator for diluted earnings per ordinary share |  | 38,030,974 |  | 36,090,785 |  | 38,069,841 |
Basic earnings per ordinary share |  | 29.92 |  | 20.87 |  | 30.34 |
Diluted earnings per ordinary share |  | 28.30 |  | 19.92 |  | 26.63 |
Basic earnings per ADS |  | 7.48 |  | 5.22 |  | 7.58 |
Diluted earnings per ADS |  | 7.08 |  | 4.98 |  | 6.66 |
The 2018 convertible senior notes were not included in the computation of diluted EPS in 2013 because the inclusion of such instrument would be anti-dilutive. For the years ended December 31, 2011, 2012 and 2013, the Company had securities which could potentially dilute basic earnings per share in the future, which were excluded from the computation of diluted earnings per share as their effects would have been anti-dilutive. Such weighted average numbers of ordinary shares outstanding are as following:
|  | 2011 |  | 2012 |  | 2013 |
|  | RMB |  | RMB |  | RMB |
Outstanding weighted average stock options |  | 715,894 |  | 1,779,507 |  | 251,266 |
Sold Warrants |  | — |  | 299,319 |  | 870,425 |
|  | 715,894 |  | 2,078,826 |  | 1,121,691 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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