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EARNINGS PER SHARE | 12 Months Ended
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Dec. 31, 2021
EARNINGS PER SHARE |
EARNINGS PER SHARE | 17. EARNINGS PER SHARE A reconciliation of the weighted average shares used in the basic and diluted earnings per common share computations for the years ended December 31, 2021, 2020 and 2019 is presented below (in thousands): ​
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​ |  | 2021 |  | 2020 |  | 2019
Weighted-average shares outstanding: | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | 528,763 | ​ | 529,639 | ​ | 542,191
Dilutive securities | ​ | 6,876 | ​ | 5,168 | ​ | 4,417
Diluted | ​ | 535,639 | ​ | 534,807 | ​ | 546,608
​ For the years ended December 31, 2021, 2020 and 2019, options and awards outstanding totaling 0.8 million shares, 1.8 million shares and 4.4 million shares, respectively, were excluded from the calculations as their effect would have been antidilutive.

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