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EARNINGS PER SHARE | 12 Months Ended
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Dec. 31, 2022
EARNINGS PER SHARE |
EARNINGS PER SHARE | 18. 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, 2022, 2021 and 2020 is presented below: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020
Weighted-average shares outstanding: | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | 526,779 | ​ | 528,763 | ​ | 529,639
Dilutive securities | ​ | 6,442 | ​ | 6,876 | ​ | 5,168
Diluted | ​ | 533,221 | ​ | 535,639 | ​ | 534,807
​ For the years ended December 31, 2022, 2021 and 2020, options and awards outstanding totaling 3.0 million shares, 0.8 million shares and 1.8 million shares, respectively, were excluded from the calculations as their effect would have been antidilutive.

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