Table:
|  |  | For the Year Ended December 31, |  |
| --- | --- | --- | --- |
|  | 2019 | 2018 | 2017 |
| Revenue (U.S.): |  |  |  |
| Subscription and returns |  |  |  |
| Tax determination | $203,584 | $147,847 | $114,575 |
| Tax returns and compliance management | 127,815 | 91,239 | 74,454 |
| Interest income on funds held for customers | 3,213 | 1,055 | - |
| Total subscription and returns | 334,612 | 240,141 | 189,029 |
| Professional services | 24,399 | 15,126 | 12,476 |
| Total revenue (U.S.) | 359,011 | 255,267 | 201,505 |
| Total revenue (non U.S.) | 23,410 | 16,831 | 11,654 |
| Total revenue | $382,421 | $272,098 | $213,159 |
Paragraphs:
Disaggregation of Revenue
The following table disaggregates revenue generated within the United States (U.S.) from revenue generated from customers outside of the U.S. Revenue
for transaction tax compliance in the U.S. is further disaggregated based on the solutions or services purchased by customers. Total revenues consisted of the
following (in thousands):
Question:
What is the percentage change in total revenue between 2018 and 2019?
Answer: (382421 - 272098)/272098  = 40.55