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Concentrations and Risks (Details) | 12 Months Ended
--- | ---
Dec. 31, 2021 customer item | Dec. 31, 2020 item customer | Dec. 31, 2019 item customer
Server and bandwidth service provider | Service providers | Telecommunication |  |  |
Concentrations and Risks |  |  |
Total number of telecommunications service providers | 135 | 87 | 79
Number of service providers provided by 10% or more of the Group's server and bandwidth service expenditure | 4 | 3 | 2
Concentration risk (as a percent) | 67.20% | 62.30% | 56.30%
Server and bandwidth service provider | Service providers | Equal to or more than |  |  |
Concentrations and Risks |  |  |
Threshold for disclosure of risk (as a percent) | 10.00% | 10.00% | 10.00%
Credit risk | Accounts receivable |  |  |
Concentrations and Risks |  |  |
Number of distribution channel | 1 | 1 |
Credit risk | Accounts receivable | Distribution channel A |  |  |
Concentrations and Risks |  |  |
Concentration risk (as a percent) | 20.20% | 24.50% |
Credit risk | Accounts receivable | Equal to or more than |  |  |
Concentrations and Risks |  |  |
Threshold for disclosure of risk (as a percent) | 10.00% | 10.00% |
Credit risk | Short-term investments | Equal to or more than |  |  |
Concentrations and Risks |  |  |
Effective yields of short-term investments | 2.25% |  |
Credit risk | Short-term investments | Less than |  |  |
Concentrations and Risks |  |  |
Effective yields of short-term investments | 4.40% |  |
Major customers | Total net revenues |  |  |
Concentrations and Risks |  |  |
Number of customers | customer | 0 | 0 | 0
Major customers | Total net revenues | Equal to or more than |  |  |
Concentrations and Risks |  |  |
Threshold for disclosure of risk (as a percent) | 10.00% | 10.00% | 10.00%
Top 5 online games | Total net revenues |  |  |
Concentrations and Risks |  |  |
Top online games | 5 | 5 | 5
Top 5 online games | Total net revenues | Top 5 Online Games |  |  |
Concentrations and Risks |  |  |
Concentration risk (as a percent) | 29.20% | 33.10% | 36.80%
Mobile games | Total net game revenues | Mobile Games |  |  |
Concentrations and Risks |  |  |
Concentration risk (as a percent) | 70.40% | 71.90% | 71.40%

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