Table:
|  | Year Ended |  |  |
| --- | --- | --- | --- |
|  | June 30,<br>2019 | June 30,<br>2018 | June 30, 2017 |
| Tech Data Corporation | 18% | 14% | 16% |
| Jenne Corporation | 17% | 13% | 15% |
| Westcon Group Inc. | 12% | 13% | 12% |
Paragraphs:
Concentrations
The Company may be subject to concentration of credit risk as a result of certain financial instruments consisting of accounts receivable and short term investments. The Company performs ongoing credit evaluations of its customers and generally does not require collateral in exchange for credit.
The following table sets forth major customers accounting for 10% or more of the Company’s net revenue:
Question:
Which years does the table provide information for major customers accounting for 10% or more of the Company’s net revenue?
Answer: 2019, 2018, 2017